Unical KONe C24 Low NOx condensing boiler complete with flue kit - NEW ErP Model: KONe 24C Energy efficiency: Seasonal efficiency class for heating A Declared load profile: XL Sanitary seasonal efficiency class: A Technical data: Nominal useful power: 23.6kW Seasonal heating energy efficiency ambient ηs 92% Useful thermal power in high temperature regime. (Tr 60 °C / tm 80 °C): 12.7kW Efficiency at nominal thermal power in high temperature regime (Tr 60 °C / Tm 80 °C) η4: 87% Useful power at 30% of nominal thermal power in low temperature regime (Tr 30 °C): 4.2 kW Efficiency at 30% of nominal thermal power in low temperature regime (Tr 30 °C) η1: 96.7% Annual electricity consumption QHE GJ: 40 Heating energy efficiency. of water ηWH: 86% Daily fuel consumption Qfuel : 22.07 kWh Sound power level indoors Lwa dB(A) 51 Annual electricity consumption AEC: 400 kWh Domestic hot water specific flow rate (Dt 30 °C): 11.2 l/min DHW production in cont. Dt 25 K (mixed): 13.3 l/min Expansion tank capacity: 8 lt Heating circuit pressure (min-max): 0.5-3.0 bar DHW circuit pressure (min-max): 0.5-6.0 bar IP X5D degree of protection NOx class: 6 Dimensions (HxWxD): 700x420x345mm; 34kg KONe KONe is a wall-hung condensing boiler with very low polluting emissions, thus falling within the new Class 6, the most restrictive currently in force. It is available in instant combined version. KONe has all the "Quality Stars" to satisfy every need: Exceptional modulation ratio up to 1:8 Efficiency >107% (ex dir. CE 92/42) ηs 93% (EU regulation 813/2013 - dir. ERP 2009/125/CE) Energy class A Primary exchanger in ultra-flat Al/Si/Mg Electronics with HWS “Hot Water Speed” function (vers. C) Low NOx class 6 (according to EN 15502-1) thanks to the fully electronic modulating premix burner with constant combustion ratio (both gas valve and fan) Production of hot water up to 13.3 l/min Dt 25 with special 12-plate (mod. 24 C) and 16-plate (mod. 28/35 C) exchanger in AISI 316L stainless steel "Pit stop" maintenance for technical assistance interventions "Soft touch" control panel with "Upgradable" protective closure via USB connection for diagnostics/programming with computer or dedicated handheld tool High efficiency modulating circulator HWS "Hot Water Speed" is the special KONe electronics that switches from heating to DHW function with burner and pump always active, improving user comfort who does not have to wait for hot water Management of 2 zones with 2 thermostats (modulating/on -off) thanks to the electronics that allow you to manage 2 heating zones at different temperatures (high for radiators and fan-coils, low for radiant panel systems) Sliding temperature programmed to operate with the lowest possible delivery temperature to help save energy Anti-overheating post-circulation automatically after the burner goes out, the boiler keeps the pump running for 5 minutes, preserving the components Chimney sweep function allows maintenance technicians to carry out the checks required by current standards in terms of efficiency and emissions Pump anti-blocking the blocking of the pump following long stops is avoided thanks to an automatic impulse of 5 sec. Everything like in a “Sim Card” All the operating characteristics of the boiler are memorized inside a SIM. The Unical Assistance Center is equipped with a handheld instrument with a 3" touchscreen that can be connected directly to KONe to develop the monitoring activity by speeding up the intervention times for solving any problems: data acquisition for a computer analysis monitoring in real-time operating parameters even remotely (from the office or PDA) management of "faults-history" “Pit stop” maintenance in less than 2 minutes KONe is the result of the experience of the Service and market suggestions, from which the Unical design staff has synthesized a technological complex that can be easily assembled and quickly disassembled. Product Guarantee All products for sale on our site are new and packed. The warranty on this item is 24 months from the date of purchase.

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Unical KONe C35 Low NOx condensing boiler complete with flue kit - NEW ErP Model: KONe 35C Energy efficiency: Seasonal efficiency class for heating A Declared load profile: XL Sanitary seasonal efficiency class: A Technical data: Nominal useful power: 33.8kW Seasonal heating energy efficiency ambient ηs 93% Useful thermal power in high temperature regime. (Tr 60 °C / tm 80 °C): 18.2kW Efficiency at nominal thermal power in high temperature regime (Tr 60 °C / Tm 80 °C) η4: 87.5% Useful power at 30% of rated thermal power in low temperature regime (Tr 30 °C): 6.1 kW Efficiency at 30% of nominal thermal power in low temperature regime (Tr 30 °C) η1: 97.5% Annual electricity consumption QHE GJ: 56 Heating energy efficiency. of water ηWH: 85% Daily fuel consumption Qfuel : 23.13 kWh Sound power level indoors Lwa db(A) 55.2 Annual electricity consumption AEC: 402 kWh Specific sanitary water flow rate (Dt 30 °C): 16 l/min DHW production in cont. Dt 25 K (mixed): 18.3 l/min Expansion vessel capacity: 10 l Heating circuit pressure (min-max): 0.5-3.0 bar DHW circuit pressure (min-max): 0.5-6.0 bar IP X5D degree of protection NOx class: 6 Dimensions (HxWxD): 700x420x345 mm; 37kg KONe KONe is a wall-hung condensing boiler with very low polluting emissions, thus falling within the new Class 6, the most restrictive currently in force. It is available in instant combined version. KONe has all the "Quality Stars" to satisfy every need: Exceptional modulation ratio up to 1:8 Efficiency >107% (ex dir. CE 92/42) ηs 93% (EU regulation 813/2013 - dir. ERP 2009/125/CE) Energy class A Primary exchanger in ultra-flat Al/Si/Mg Electronics with HWS “Hot Water Speed” function (vers. C) Low NOx class 6 (according to EN 15502-1) thanks to the fully electronic modulating premix burner with constant combustion ratio (both gas valve and fan) Production of hot water up to 13.3 l/min Dt 25 with special 12-plate (mod. 24 C) and 16-plate (mod. 28/35 C) exchanger in AISI 316L stainless steel "Pit stop" maintenance for technical assistance interventions "Soft touch" control panel with "Upgradable" protective closure via USB connection for diagnostics/programming with computer or dedicated handheld tool High efficiency modulating circulator HWS "Hot Water Speed" is the special KONe electronics that switches from heating to DHW function with burner and pump always active, improving user comfort who does not have to wait for hot water Management of 2 zones with 2 thermostats (modulating/on -off) thanks to the electronics that allow you to manage 2 heating zones at different temperatures (high for radiators and fan-coils, low for radiant panel systems) Sliding temperature programmed to operate with the lowest possible delivery temperature to help save energy Anti-overheating post-circulation automatically after the burner goes out, the boiler keeps the pump running for 5 minutes, preserving the components Chimney sweep function allows maintenance technicians to carry out the checks required by current standards in terms of efficiency and emissions Pump anti-blocking the blocking of the pump following long stops is avoided thanks to an automatic impulse of 5 sec. Everything like in a “Sim Card” All the operating characteristics of the boiler are memorized inside a SIM. The Unical Assistance Center is equipped with a handheld instrument with a 3" touchscreen that can be connected directly to KONe to develop the monitoring activity by speeding up the intervention times for solving any problems: data acquisition for a computer analysis monitoring in real-time of the operating parameters even remotely (from the office or from the PDA) management of the "faults-history" “Pit stop” maintenance in less than 2 minutes KONe is the result of the experience of the Service and market suggestions, from which the Unical design staff has synthesized a technological complex that can be easily assembled and quickly disassembled. Product Guarantee All products for sale on our site are new and packed. The warranty on this item is 24 months from the date of purchase.

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Unical KON1 28C kW Methane or LPG Condensing Boiler Complete with Fume Exhaust Kit, various colors available - NEW ErP Energy efficiency: Seasonal efficiency class for heating A Declared load profile: XL Sanitary seasonal efficiency class: A Technical data: Nominal useful power: 33.8 kW Seasonal heating energy efficiency ambient ηs 93% Useful thermal power in high temperature regime. (Tr 60 °C / tm 80 °C): 18.2kW Efficiency at nominal thermal power in high temperature regime (Tr 60 °C / Tm 80 °C) η4: 87.5% Useful power at 30% of nominal thermal power in low temperature regime (Tr 30 °C) P1 kW: 6.1 kW Efficiency at 30% of nominal thermal power in low temperature regime (Tr 30 °C) η1: 97.5% Annual electricity consumption QHE GJ: 56 Heating energy efficiency. of water ηWH: 85% Daily fuel consumption Qfuel : 23.13 kWh Sound power level indoors Lwa dB(A) 55.2 Annual electricity consumption AEC: 402 kWh DHW production in cont. Dt 25 K (mixed): 18.3 l/min Expansion vessel capacity: 10 l Heating circuit pressure (min-max): 0.5-3.0 bar DHW circuit pressure (min-max): 0.5-6.0 bar IP X5D degree of protection NOx class: 6 Dimensions (HxWxD): 810x450x345 mm; 40kg Gas transformation kit inside documentation envelope KON1 KON1 is the latest among the "furnishing boilers" that Unical presents in synergy with the ArtÙ Design Studio. Soft lines and an elegant front, available in different colours, enclose a latest generation condensing boiler running on methane or LPG, with instantaneous hot water production up to 18 l/min. KON1 can also be installed with a completely hidden flue system. The range includes 3 powers: 24, 28 and 35 kW. The exclusive Unical system of both hydraulic connections and the totally disappearing smoke outlet, allows an elegant installation and integration of KON1 in both modern and classic environments, avoiding unsightly exposed pipes. HWS “Hot Water Speed” is the new electronics of KON1 which switches from heating to DHW function with burner and pump always active, considerably improving the comfort of the user who does not have to wait for hot water. Secondary exchanger In AISI 316L stainless steel - with 12 plates (mod. 24) - with 16 plates (mod. 28 and 35) Particularly efficient because it is suitable for condensing boilers by exploiting their low temperature. Its "ecological" project is distinguished by a new design of the plates which allows for the transfer of a greater quantity of heat by making the most of the characteristics of stainless steel. Outstanding modulation ratio up to 1:8 Efficiency >107% (ex dir. CE 92/42) ηs 93% (EU regulation 813/2013 - dir. ERP 2009/125/CE) Energy class A Primary exchanger in ultra-flat Al/Si/Mg Electronics with HWS “Hot Water Speed” function Low NOx class 6 (according to EN 15502-1) thanks to the modulating premix burner Hot water production up to 18.3 l/min Dt 25 with special heat exchanger Management of 2 temperature zones (high/low) by applying a second on/off thermostat "Pit stop" maintenance and convenient internal control panel for technical assistance interventions EASYr : remote control (standard) with chronothermostat functions, applicable wirelessly to the wall or free-standing with support High efficiency modulating circulator Prepared for future applications in systems and suitable to meet the requirements of the new installation standards No visible command on the boiler, but it is EASYr (standard) which, without wires, performs the dual function of chronothermostat and remote control inside the home. Two-way radio frequency communications; Operating parameters control; Weekly programming; Room antifreeze function; Can be combined with external probe; Applicable to the wall or free-standing with support Product Guarantee All products for sale on our site are new and packed. The warranty on this item is 24 months from the date of purchase.

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Unical KONe C28 Low NOx condensing boiler complete with flue kit - NEW ErP Model: KONe 28C Energy efficiency: Seasonal efficiency class for heating A Declared load profile: XL Sanitary seasonal efficiency class: A Technical data: Nominal useful power: 28.9kW Seasonal heating energy efficiency ambient ηs 93% Useful thermal power in high temperature regime. (Tr 60 °C / tm 80 °C): 15.8kW Efficiency at nominal thermal power in high temperature regime (Tr 60 °C / Tm 80 °C) η4: 88.4% Useful power at 30% of nominal thermal power in low temperature regime (Tr 30 °C): 5.3 kW Efficiency at 30% of nominal thermal power in low temperature regime (Tr 30 °C) η1: 97.5% Annual electricity consumption QHE GJ: 49 Heating energy efficiency. of water ηWH: 85% Daily fuel consumption Qfuel : 23.05 kWh Sound power level indoors Lwa db(A) 55.2 Annual electricity consumption AEC: 402 kWh Specific sanitary water flow rate (Dt 30 °C): 13 l/min DHW production in cont. Dt 25 K (mixed): 15.5 l/min Expansion vessel capacity: 10 l Heating circuit pressure (min-max): 0.5-3.0 bar DHW circuit pressure (min-max): 0.5-6.0 bar IP X5D degree of protection NOx class: 6 Dimensions (HxWxD): 700x420x345mm; 37kg KONe KONe is a wall-hung condensing boiler with very low polluting emissions, thus falling within the new Class 6, the most restrictive currently in force. It is available in instant combined version. KONe has all the "Quality Stars" to satisfy every need: Exceptional modulation ratio up to 1:8 Efficiency >107% (ex dir. CE 92/42) ηs 93% (EU regulation 813/2013 - dir. ERP 2009/125/CE) Energy class A Primary exchanger in ultra-flat Al/Si/Mg Electronics with HWS “Hot Water Speed” function (vers. C) Low NOx class 6 (according to EN 15502-1) thanks to the fully electronic modulating premix burner with constant combustion ratio (both gas valve and fan) Production of hot water up to 13.3 l/min Dt 25 with special 12-plate (mod. 24 C) and 16-plate (mod. 28/35 C) exchanger in AISI 316L stainless steel "Pit stop" maintenance for technical assistance interventions "Soft touch" control panel with "Upgradable" protective closure via USB connection for diagnostics/programming with computer or dedicated handheld tool High efficiency modulating circulator HWS "Hot Water Speed" is the special KONe electronics that switches from heating to DHW function with burner and pump always active, improving user comfort who does not have to wait for hot water Management of 2 zones with 2 thermostats (modulating/on -off) thanks to the electronics that allow you to manage 2 heating zones at different temperatures (high for radiators and fan-coils, low for radiant panel systems) Sliding temperature programmed to operate with the lowest possible delivery temperature to help save energy Anti-overheating post-circulation automatically after the burner goes out, the boiler keeps the pump running for 5 minutes, preserving the components Chimney sweep function allows maintenance technicians to carry out the checks required by current standards in terms of efficiency and emissions Pump anti-blocking the blocking of the pump following long stops is avoided thanks to an automatic impulse of 5 sec. Everything like in a “Sim Card” All the operating characteristics of the boiler are memorized inside a SIM. The Unical Assistance Center is equipped with a handheld instrument with a 3" touchscreen that can be connected directly to KONe to develop the monitoring activity by speeding up the intervention times for solving any problems: data acquisition for a computer analysis monitoring in real-time operating parameters even remotely (from the office or PDA) management of "faults-history" “Pit stop” maintenance in less than 2 minutes KONe is the result of the experience of the Service and market suggestions, from which the Unical design staff has synthesized a technological complex that can be easily assembled and quickly disassembled. Product Guarantee All products for sale on our site are new and packed. The warranty on this item is 24 months from the date of purchase.

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Unical KON X SLIM 35 C condensing boiler complete with low NOx LPG fume exhaust kit - New Minimum/nominal useful power in condensing kW 4.6 ÷ 33.8 Heating efficiency class A Declared load profile XL Sanitary efficiency class A Efficiency at nominal thermal power in high temperature regime (Tr 60°C / Tm 80°C) η4 % 88.7 Production DHW cont. Dt 25 K (mixed) l/min 18.6 Total expansion vessel capacity l 6 IP X5D degree of protection NOx class 5 Dimensions HxWxD mm 800x520x180 KON X SLIM KONx SLIM is a condensing boiler running on methane or LPG, with instantaneous production of domestic hot water. Covered with a satin finish AISI 304 stainless steel casing, it is ideal for outdoor installations, but equally elegant indoors. KONx SLIM is: Performant 24 and 35 kW (Range rated) Modulation ratio 1:8 Low NOx class 5 High energy efficiency A+ (System) the top of the category, >98% Hs (superior calorific value) Insulated and protected IP X5D, suitable for outdoor installation according to current standards (up to -15°C with antifreeze kit) Extremely compact with its depth of only 18 cm, Unical's record among wall-hung condensing boilers KONx SLIM, thanks to the RCh chronothermostat, OT multiprogram modulator, connected to the ambient and external probes supplied as standard, reaches seasonal efficiency equal to energy class A+ in heating. HWS "Hot Water Speed" is the new KONx SLIM electronics that switches from heating to DHW function with burner and pump always active, considerably improving user comfort who does not have to wait for hot water. Covered with a satin-finish AISI 304 stainless steel casing with a tapered-edge casing finish, KONx SLIM appears to have an essential and very elegant line, combining, with its hi-tech style, with the other appliances in the house Super small size depth of only 18cm Management of 2 temperature zones (high/low) by applying a second on/off thermostat Sliding temperature programmed to operate with the lowest possible delivery temperature to help save energy Intelligent system filling to guarantee functionality If the pressure is below 0.4 bar in the system circuit, the automatic water filling starts for 30 seconds once a day. If the request is repeated several times, a warning signal appears on the remote control Anti-overheating post-circulation automatically after the burner goes out, the boiler keeps the pump running for 5 minutes, preserving the components Chimney sweep function allows maintenance technicians to carry out the checks required by current standards in terms of efficiency and emissions Multigas operation (natural gas or LPG) with simplified switching Double expansion tank If necessary, it can mount an external auxiliary expansion tank (optional) Product Warranty All products for sale on our site are new and packed. The warranty on this item is 24 months from the date of purchase.

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Unical KON X SLIM 35 C condensing boiler complete with low NOx methane fume exhaust kit - New Minimum/nominal useful power in condensing kW 4.6 ÷ 33.8 Heating efficiency class A Declared load profile XL Sanitary efficiency class A Efficiency at nominal thermal power in high temperature regime (Tr 60°C / Tm 80°C) η4 % 88.7 Production DHW cont. Dt 25 K (mixed) l/min 18.6 Total expansion vessel capacity l 6 IP X5D degree of protection NOx class 5 Dimensions HxWxD mm 800x520x180 KON X SLIM KONx SLIM is a condensing boiler running on methane or LPG, with instantaneous production of domestic hot water. Covered with a satin finish AISI 304 stainless steel casing, it is ideal for outdoor installations, but equally elegant indoors. KONx SLIM is: Performant 24 and 35 kW (Range rated) Modulation ratio 1:8 Low NOx class 5 High energy efficiency A+ (System) the top of the category, >98% Hs (superior calorific value) Insulated and protected IP X5D, suitable for outdoor installation according to current standards (up to -15°C with antifreeze kit) Extremely compact with its depth of only 18 cm, Unical's record among wall-hung condensing boilers KONx SLIM, thanks to the RCh chronothermostat, OT multiprogram modulator, connected to the ambient and external probes supplied as standard, reaches seasonal efficiency equal to energy class A+ in heating. HWS "Hot Water Speed" is the new KONx SLIM electronics that switches from heating to DHW function with burner and pump always active, considerably improving user comfort who does not have to wait for hot water. Covered with a satin-finish AISI 304 stainless steel casing with a tapered-edge casing finish, KONx SLIM appears to have an essential and very elegant line, combining, with its hi-tech style, with the other appliances in the house Super small size depth of only 18cm Management of 2 temperature zones (high/low) by applying a second on/off thermostat Sliding temperature programmed to operate with the lowest possible delivery temperature to help save energy Intelligent system filling to guarantee functionality If the pressure is below 0.4 bar in the system circuit, the automatic water filling starts for 30 seconds once a day. If the request is repeated several times, a warning signal appears on the remote control Anti-overheating post-circulation automatically after the burner goes out, the boiler keeps the pump running for 5 minutes, preserving the components Chimney sweep function allows maintenance technicians to carry out the checks required by current standards in terms of efficiency and emissions Multigas operation (natural gas or LPG) with simplified switching Double expansion tank If necessary, it can mount an external auxiliary expansion tank (optional) Product Warranty All products for sale on our site are new and packed. The warranty on this item is 24 months from the date of purchase.

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Unical KON1 28C kW Methane or LPG Condensing Boiler Complete with Fume Exhaust Kit, various colors available - NEW ErP Energy efficiency: Seasonal efficiency class for heating A Declared load profile: XL Sanitary seasonal efficiency class: A Technical data: Nominal useful power: 28.9 kW Seasonal heating energy efficiency ambient ηs 93% Useful thermal power in high temperature regime. (Tr 60 °C / tm 80 °C): 15.8 kW Efficiency at nominal thermal power in high temperature regime (Tr 60 °C / Tm 80 °C) η4: 88% Useful power at 30% of nominal heat output in low temperature regime (Tr 30 °C) P1 kW: 5.3 kW Efficiency at 30% of nominal thermal power in low temperature regime (Tr 30 °C) η1: 97.9% Annual electricity consumption QHE GJ: 49 Heating energy efficiency. of water ηWH: 85% Daily fuel consumption Qfuel : 23.05 kWh Sound power level indoors Lwa dB(A) 55.2 Annual electricity consumption AEC: 402 kWh DHW production in cont. Dt 25 K (mixed): 15.5 l/min Expansion vessel capacity: 10 l Heating circuit pressure (min-max): 0.5-3.0 bar DHW circuit pressure (min-max): 0.5-6.0 bar IP X5D degree of protection NOx class: 6 Dimensions (HxWxD): 810x450x345 mm; 41kg Gas transformation kit inside documentation envelope. KON1 KON1 is the latest among the "furnishing boilers" that Unical presents in synergy with the ArtÙ Design Studio. Soft lines and an elegant front, available in different colours, enclose a latest generation condensing boiler running on methane or LPG, with instantaneous hot water production up to 18 l/min. KON1 can also be installed with a completely hidden flue system. The range includes 3 powers: 24, 28 and 35 kW. The exclusive Unical system of both hydraulic connections and the totally disappearing smoke outlet, allows an elegant installation and integration of KON1 in both modern and classic environments, avoiding unsightly exposed pipes. HWS “Hot Water Speed” is the new electronics of KON1 which switches from heating to DHW function with burner and pump always active, considerably improving the comfort of the user who does not have to wait for hot water. Secondary exchanger In AISI 316L stainless steel - with 12 plates (mod. 24) - with 16 plates (mod. 28 and 35) Particularly efficient because it is suitable for condensing boilers by exploiting their low temperature. Its "ecological" project is distinguished by a new design of the plates which allows for the transfer of a greater quantity of heat by making the most of the characteristics of stainless steel. Outstanding modulation ratio up to 1:8 Efficiency >107% (ex dir. CE 92/42) ηs 93% (EU regulation 813/2013 - dir. ERP 2009/125/CE) Energy class A Primary exchanger in ultra-flat Al/Si/Mg Electronics with HWS “Hot Water Speed” function Low NOx class 6 (according to EN 15502-1) thanks to the modulating premix burner Hot water production up to 18.3 l/min Dt 25 with special heat exchanger Management of 2 temperature zones (high/low) by applying a second on/off thermostat "Pit stop" maintenance and convenient internal control panel for technical assistance interventions EASYr : remote control (standard) with chronothermostat functions, applicable wirelessly to the wall or free-standing with support High efficiency modulating circulator Prepared for future applications in systems and suitable to meet the requirements of the new installation standards No controls visible on the boiler, but EASYr (standard) which, without wires, performs the dual function of chronothermostat and remote control inside the home. Two-way radio frequency communications; Operating parameters control; Weekly programming; Room antifreeze function; Can be combined with external probe; Applicable to the wall or free-standing with support Product Guarantee All products for sale on our site are new and packed. The warranty on this item is 24 months from the date of purchase.

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GAS BOILER UNICAL COR C 24 kW LPG COMPLETE WITH FUME EXHAUST KIT Model: CoR C24 Nominal useful power kW 24 Seasonal heating energy efficiency ambient ηs % 86 Seasonal efficiency class for heating B Useful thermal power in high temperature regime. kW 23.8 Efficiency at nominal thermal power in high temperature regime η4 % 85.8 Useful power at 30% of nominal thermal power in low temperature regime kW 7.6 Efficiency at 30% of nominal thermal power in low temperature regime η1 % 91.3 Declared load profile XL Heating energy efficiency. of water ηWH % 86 Daily fuel consumption Qfuel kWh 22.64 Sanitary seasonal efficiency class A Specific sanitary water flow rate (Dt 30 °C) ''D'' l/min 11.5 DHW production in cont. Dt 25 K (mixed) l/min 13.2 Expansion tank capacity l 8 Condensate production max kg/h 4.0 Heating circuit pressure (min/max) 0.5/3.0 bar DHW circuit pressure (min/max) 0.5/6.0 bar IP X5D degree of protection NOx class6 Dimensions (HxWxD): 700x420x345 mm; 40 kg Unical Cor Wall-hung gas boiler with water-cooled system burner, micro flames, Low NOx condensing (class 6) - sealed chamber - electronic ignition and power modulation - IPX5D - also for outdoors CoR is a wall-mounted condensing boiler characterized by very low emission of pollutants, thus falling within the new Class 6, the most restrictive currently in force. It works at high temperatures and therefore with radiator systems, and is specially designed to have a reduced formation of condensate with system return temperatures above 50°C. CoR is designed to produce hot water for space heating and also for sanitary use, with a sealed combustion chamber towards the environment (type C appliance). Characteristics: Ease of adaptation to the existing system: thanks to the excellent modulation ratio 1:3 and the nominal power of 24 kW with a minimum of 7.3 kW Optimized dimensions 700x420x345 mm (HxWxD) Forced ventilation system features nearly identical to conventional sealed boilers for easy retrofitting to existing exhausts Backlit digital control panel Wide choice of accessories including: - both modulating and on/off control thermostats - external probe for managing both the boiler and one or two high/low temperature zones CoR is designed to be reliable, guarantee very high water circulation and durability thanks to its design characterized by low pressure drops. The system's water-cooled burner, with micro flames, reduces emissions and at the same time recovers the heat produced to increase system efficiency. The standard automatic by-pass balances the hydraulic circulation in the boiler at all times. Sanitary heat exchanger in stainless steel with brazed plates. Perfectly sized, it ensures 13.3 l/min. with Δt 25K Product Guarantee All products for sale on our site are new and packed. The warranty on this item is 24 months from the date of purchase.

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Technical features Seasonal efficiency class for heating: Class C Sanitary Seasonal Efficiency Class: Class B Declared load profile: M Nominal useful power: kW 23 Minimum useful power: 9.9 kW Combustion efficiency at nominal load 91.0% Combustion efficiency at reduced load 88.0% Minimum pressure of the heating circuit bar 0.5 Maximum pressure of the heating circuit bar 3 Minimum flow rate of the heating circuit. (∆t 20 °C) 7.12 l/min Specific sanitary water flow rate (∆t 30 °C) 10.5 l/min Total capacity of expansion tank 6 l IP X4D degree of protection Power supply: methane Characteristics Bithermal exchanger Ignition and electronic detection single electrode Proportional continuous gas modulation by microprocessor both in heating and DHW production phases with control temperature probe Antifreeze protection on the primary heating circuit on 2 levels: internal heating activation, block with signal in the event of gas shortage Pump anti-blocking timer which prevents seizure in the event of prolonged inactivity High efficiency modulating circulator equipped with built-in automatic deaerator All-metal shell enamelled with epoxy-polyester paint, insulated with acoustic/thermal insulation (8 mm thick) complete with heat-reflecting layer Facilitated maintenance with tilting panel and front access Included: Hydrometer, automatic differential by-pass, 6 liter expansion vessel, safety valve and thermostat, low water pressure switch, priority flow switch with filter

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Unical KON1 24C kW Methane or LPG Condensing Boiler Complete with Fume Exhaust Kit, various colors available - NEW ErP Energy efficiency: Seasonal efficiency class for heating A Declared load profile: XL Sanitary seasonal efficiency class: A Technical data: Nominal useful power: 23.6 kW Seasonal heating energy efficiency ambient ηs 92% Useful thermal power in high temperature regime. (Tr 60 °C / tm 80 °C): 12.7kW Efficiency at nominal thermal power in high temperature regime (Tr 60 °C / Tm 80 °C) η4: 87% Useful power at 30% of rated thermal power in low temperature regime (Tr 30 °C) P1 kW: 4.2 kW Efficiency at 30% of nominal thermal power in low temperature regime (Tr 30 °C) η1: 96.7% Annual electricity consumption QHE GJ: 40 Heating energy efficiency. of water ηWH: 86% Daily fuel consumption Qfuel : 22.07 kWh Sound power level indoors Lwa dB(A) 51 Annual electricity consumption AEC: 400 kWh DHW production in cont. Dt 25 K (mixed): 13.2 l/min Expansion vessel capacity: 7 l Heating circuit pressure (min-max): 0.5-3.0 bar DHW circuit pressure (min-max): 0.5-6.0 bar IP X5D degree of protection NOx class: 6 Dimensions (HxWxD): 810x450x345 mm; 40kg Gas transformation kit inside documentation envelope KON1 KON1 is the latest among the "furnishing boilers" that Unical presents in synergy with the ArtÙ Design Studio. Soft lines and an elegant front, available in different colours, enclose a latest generation condensing boiler running on methane or LPG, with instantaneous hot water production up to 18 l/min. KON1 can also be installed with a completely hidden flue system. The range includes 3 powers: 24, 28 and 35 kW. The exclusive Unical system of both hydraulic connections and the totally disappearing smoke outlet, allows an elegant installation and integration of KON1 in both modern and classic environments, avoiding unsightly exposed pipes. HWS “Hot Water Speed” is the new electronics of KON1 which switches from heating to DHW function with burner and pump always active, considerably improving the comfort of the user who does not have to wait for hot water. Secondary exchanger In AISI 316L stainless steel - with 12 plates (mod. 24) - with 16 plates (mod. 28 and 35) Particularly efficient because it is suitable for condensing boilers by exploiting their low temperature. Its "ecological" project is distinguished by a new design of the plates which allows for the transfer of a greater quantity of heat by making the most of the characteristics of stainless steel. Outstanding modulation ratio up to 1:8 Efficiency >107% (ex dir. CE 92/42) ηs 93% (EU regulation 813/2013 - dir. ERP 2009/125/CE) Energy class A Primary exchanger in ultra-flat Al/Si/Mg Electronics with HWS “Hot Water Speed” function Low NOx class 6 (according to EN 15502-1) thanks to the modulating premix burner Hot water production up to 18.3 l/min Dt 25 with special heat exchanger Management of 2 temperature zones (high/low) by applying a second on/off thermostat "Pit stop" maintenance and convenient internal control panel for technical assistance interventions EASYr : remote control (standard) with chronothermostat functions, applicable wirelessly to the wall or free-standing with support High efficiency modulating circulator Prepared for future applications in systems and suitable to meet the requirements of the new installation standards No visible command on the boiler, but it is EASYr (standard) which, without wires, performs the dual function of chronothermostat and remote control inside the home. Two-way radio frequency communications; Operating parameters control; Weekly programming; Room antifreeze function; Can be combined with external probe; Applicable to the wall or free-standing with support Product Guarantee All products for sale on our site are new and packed. The warranty on this item is 24 months from the date of purchase.

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GAS BOILER UNICAL !DEA AC 23 PLUS METHANE OPEN CHAMBER - ErP Technical features Seasonal efficiency class for heating: Class C Sanitary Seasonal Efficiency Class: Class B Declared load profile: M Nominal useful power: kW 23 Minimum useful power: kW 10.3 Combustion efficiency at nominal load 91.0% Combustion efficiency at reduced load 88.6% Minimum pressure of the heating circuit bar 0.5 Maximum pressure of the heating circuit bar 3 Minimum flow rate of the heating circuit. (∆t 20 °C) 7.5 l/min Domestic hot water specific flow rate (∆t 30 °C) 11.0 l/min Total capacity of expansion tank 6 l IP X4D degree of protection Power supply: methane Characteristics Monothermal exchanger + sanitary plate exchanger and 3-way valves Ignition and electronic detection single electrode Proportional continuous gas modulation by microprocessor both in heating and DHW production phases with control temperature probe Antifreeze protection on the primary heating circuit on 2 levels: internal heating activation, block with signal in the event of gas shortage Pump anti-blocking timer which prevents seizure in the event of prolonged inactivity High efficiency modulating circulator equipped with built-in automatic deaerator All-metal shell enamelled with epoxy-polyester paint, insulated with acoustic/thermal insulation (8 mm thick) complete with heat-reflecting layer Facilitated maintenance with tilting panel and front access Included: Hydrometer, automatic differential by-pass, 6 liter expansion vessel, safety valve and thermostat, low water pressure switch, priority flow switch with filter Product Guarantee The warranty on this item is 24 months from the date of purchase.

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Unical KON X SLIM 24C condensing boiler complete with low NOx methane fume exhaust kit - New Minimum/nominal useful power in condensing kW 3.22 ÷ 23.7 Heating efficiency class A Declared load profile L Sanitary efficiency class A Efficiency at nominal thermal power in high temperature regime (Tr 60°C / Tm 80°C) η4 % 88.7 production DHW cont. Dt 25 K (mixed) l/min 13.2 Total expansion vessel capacity l 9 (6+3) IP X5D degree of protection NOx class 5 Dimensions HxWxD mm 800x520x180 KON X SLIM KONx SLIM is a condensing boiler running on methane or LPG, with instantaneous production of domestic hot water. Covered with a satin finish AISI 304 stainless steel casing, it is ideal for outdoor installations, but equally elegant indoors. KONx SLIM is: Performant 24 and 35 kW (Range rated) Modulation ratio 1:8 Low NOx class 5 High energy efficiency A+ (System) the top of the category, >98% Hs (superior calorific value) Insulated and protected IP X5D, suitable for outdoor installation according to current standards (up to -15°C with antifreeze kit) Extremely compact with its depth of only 18 cm, Unical's record among wall-hung condensing boilers KONx SLIM, thanks to the RCh chronothermostat, OT multiprogram modulator, connected to the ambient and external probes supplied as standard, reaches seasonal efficiency equal to energy class A+ in heating. HWS "Hot Water Speed" is the new KONx SLIM electronics that switches from heating to DHW function with burner and pump always active, considerably improving user comfort who does not have to wait for hot water. Covered with a satin-finish AISI 304 stainless steel casing with a tapered-edge casing finish, KONx SLIM appears to have an essential and very elegant line, combining, with its hi-tech style, with the other appliances in the house Super small size depth of only 18cm Management of 2 temperature zones (high/low) by applying a second on/off thermostat Sliding temperature programmed to operate with the lowest possible delivery temperature to help save energy Intelligent system filling to guarantee functionality If the pressure is below 0.4 bar in the system circuit, the automatic water filling starts for 30 seconds once a day. If the request is repeated several times, a warning signal appears on the remote control Anti-overheating post-circulation automatically after the burner goes out, the boiler keeps the pump running for 5 minutes, preserving the components Chimney sweep function allows maintenance technicians to carry out the checks required by current standards in terms of efficiency and emissions Multigas operation (natural gas or LPG) with simplified switching Double expansion tank If necessary, it can mount an external auxiliary expansion tank (optional) Product Warranty All products for sale on our site are new and packed. The warranty on this item is 24 months from the date of purchase.

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