Heat exchanger and/or combustion chamber, electric heat pump, burners, circuit board, igniter, flame sensor, transformer, gas valves, baseboard convectors, pumps, motors, switches, heating elements. Boiler systems only: Zone valves, geothermal and/or water source heat pump components and parts located within the foundation of the home or
Read MoreA high pressure watertube boiler (also spelled water-tube and water tube) is a type of boiler in which water circulates in tubes heated externally by the fire. Fuel is burned inside the furnace, creating hot gas which boils water in the steam-generating tubes.In smaller boilers, additional generating tubes are separate in the furnace, while larger utility boilers rely on the water-filled …
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