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V V E E R R S S A A P P O O O O L L A A N N D D S S P P A A H H E E A A T T E E R R Photo courtesy of Ester Williams, Delair Group The Pool and Spa Heating Experts model...
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Bronze Heating Capacity The table below shows the heating capacity of the VERSA 155 in temperature rise per hour for a given amount of water. For example, the heater will raise the temperature of a 400-gallon spa 36 °F in one hour.