Propane pool heaters function much like home water boilers; water passes through a combustion chamber of the heater, where it is heated by copper coils. The warmed water then flows back to the ...
Company: Water Pool and Spa Inc. Why? They emit excessive carbon monoxide, posing a risk of CO poisoning. What models? Pentair MiniMax NT STD Gas Pool Heaters installed indoors, with BTU ratings ...