Condensing gas boiler MCR4 24/29 MI dual-function boiler
Wall-mounted gas condensing boiler adapted for burning gas with 20% hydrogen admixtureEquipped with electronic combustion control system Gas Adaptive System, guarantees automatic combustion control and adjusts boiler operation depending on the category of gas E, Lv, Ls or propane/butaneWhen burning Ls gas, a changeover kit must be used (accessory)Very compact boiler 395 x 700 x 285 mm and lightweight 28,5 kgThe air-gas module provides a wide range of modulation from 10 to 100% power, with a non-return flap for operation with pressurized flue gas systems C43pAir/flue gas spigot O60/100 mm suppliedCan be connected to an air flue (approvals C10, C13 and C33)Can be connected to a chimney (approvals B23p and C93), a distribution system (C53) or a collective flue gas system (C43P)Efficiency at full load up to 105.8%Low emissions: NOx<14 mg/kWhStainless steel toroidal exchanger with 5-year warrantyBrass-bodied hydraulic module incorporating Class A modulating pump with co. energy efficiency. EEI<0.23, stainless steel plate heat exchanger, switching valve c.o./c.w.u. mounted on the supply, the valve without. c.o. 3 bar, flow limiter, flow sensor, fill valveExpansion vessel with a capacity of. 8 liters zam. in the support frameE-Pilot control console with weather automation and intuitive interface (requires retrofitting of temp sensor. ext. AF60), designed to be combined with a Smart TC modulating thermostat allowing connection to a Wi-Fi network for remote control of plant operation and fault indication using a smartphone or tablet with a free Android or iOS appAs an accessory, an SCB-17B board is available for direct installation in the boiler to manage an additional heating circuitDo you need help? Do you have any questions?Ask a question and we'll respond promptly, publishing the most interesting questions and answers for others. 
