Boiler Slant Fin Galaxy Boiler InstalledFeatures:Fuel: Gas-FiredSystem: Radiant Hot Water HeatingCombustion: Natural Draft, atmosphericCapacity: 7500 BTU and UpEfficiency: up to AFUE 84% Book Now Boiler Viessmann Combi InstalledFeatures:Rated input: 21 to 125 MBH – 6.2 to 36.6 kWEfficiency (AFUE): 95%Fuel: Natural gas, propane gasApplication range: Residential homes and apartment units, new buildings and retrofitsDHW heating: On-demand DHW available with B1KA Combi boiler (up to 3.6 GPM) Book Now