Swimming Pool Heater

(25) The term “pool heater” means an appliance designed for heating nonpotable water contained at atmospheric pressure, including heating water in swimming pools, spas, hot tubs and similar applications.An electric pool heater, also known as a heat pump, works by bringing water into a heating tank and then pumping the warmed water back into the pool. The constant exchange of cold and warm keeps your pool heated. There are two types of electric heaters; water-source and air-source.One way to ensure it can be used year-round is to use a pool heater, and that's not the only benefit. The heater allows swimmers to avoid cold-water shock, and some research shows that swimming in heated water has unique health benefits.