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    Sep 18, 2020 · Fuel and air are controlled in concert, but the quantity of fuel delivered is a function of thermal input required to control the boiler temperature. The air is then controlled to optimize the combustion process. The model code for hot water boilers is the ASME BPV Code Section IV. This code lists six safety features every hot water boiler must Learn More

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    May 10, 2011 · There is a difference between a hot water boiler and a steam boiler, Hot water does not dry out your house as much, it is more uniformed heat, and little kids won't get burned from the pipes, Steam is hotter, not as easily controlled, radiator vents have …Learn More