The all new Hayward H-Series 135,000 BTU natural gas heater for above ground pools and spas reliably combines superior heating performance with the only standard cupro nickel heat exchanger in its class, providing greater durability and a longer product life. The H-Series 135,000 BTU natural gas heater combines the best value and durability of any gas heater for above ground pools and spas, allowing you to maintain the perfect temperature for efficiency and comfort with ease.
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