Gas boiler HEATMASTER® 70 N

combiresidentialindoor

High performance combined boiler and water heater Stainless steel Tank-in-Tank design 69.9 kW (HeatMaster® 70 N) or 107.0 kW (HeatMaster® 100 N) Outputs. Choice of Burner: Low NOx Premix gas or LPG, forced draught natural gas or LPG or pressure jet 28 sec or 35 sec oil Can also be used as a stand alone water heater Anti–Legionellae: hot water stored at a consistently high temperature Built-in primary circuit shunt high efficiency pump, internal expansion vessels, safety valve and low water pressure switch Control panel including thermostats, combined temperature and pressure gauge, indicators and on/off switch Stove enameled casing The HeatMaster can be used in conjunction with the Smart and Jumbo storage tanks, supplying even the largest hot water requirement Non Ecodesign compliant Constructive characteristics Capacity (total) - 239 - L Capacity (primary) - 108 - L Capacity (domestic hot water) - 131 - L Capacity expansion tank(s) - 2 x 10 - L Chimney connection - 150 - Ømm Connection - heating - 1 ½ F - Ø" Connection - DHW - 1 M - Ø" Connection - safety valve - 1/2 M - Ø" Max operating temperature - 90 - °C Water pressure drop boiler at Δt = 20°C - 46 - mbar Max service pressure heating (primary) - 3 - bar Max service pressure (DHW) - 8,6 - bar Weight (empty) - 285 - kg Heating characteristics Pre-heating time from 10 to 80°C (Heat source: boiler) - 24 - min Heating time from 10 to 90°C - 36 - min Combustion Input max (heating) HCV - 77,7 - kW Input max (heating) LCV - 69,9 - kW Efficiency at 30% load (EN677) - 96,7 - % Efficiency (max output) 80/60°C - 90,2 - % NOx weighted (GCV) (EN15502) - 83,3 - mg/kWh NOx class (EN15502) - 5 - Output power max (80/60°C) - 63 - kW