· The exchange surfaces for must be in contact with to prevent the exchange surface from overheating Low level sensors are required to ensure this Fuel and air are controlled in concert but the quantity of fuel delivered is a function of thermal input required to control the temperature
Read MoreProLine ® XE High Efficiency Ultra-Low NOx 199999 BTU Natural Gas Combi Boiler Supplies enough for a standard 2-1/2 bath single-family home or apartment with a capacity of 48 gallons per minute; Provides high efficiency space heating and in a compact footprint with easy installation
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