In steam heat boiler systems, a boiler heats water, ordinarily through fuel or fuel oil, and turns it into steam. opportunity corrosion challenges: The condensate from a condensing boiler is highly acidic. it's drained https://jayhsqi859558.wikififfi.com/834838/how_much_you_need_to_expect_you_ll_pay_for_a_good_iflow_heat_pump_installation