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Shop > Pools > Pool Heaters > Hayward

Hayward H-Series Millivolt Heater

H-Series Millivolt, Single Thermostat Heater for in-ground pools and spas. Features: • Rust-resistant water path with polymer header assembly • Rapid-heat combustion chamber. State-of-the-Art Finn Plate Heat Exchanger with Cupro Nickel The patented single header "V" baffle design heat exchangers allow for long life, fast heating and virtually no condensation. All Hayward heat exchangers are now protected with highly resilient Cupro Nickel for greater durability and longevity even in...

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Hayward Universal H Series Low NOx Pool Heater 400K BTU LP

Hayward Universal H-Series Heaters Low NOx

Presenting Hayward®'s world-class heater with an Earth-friendly conscience…the Universal H-Series heater! While all Hayward H-Series heaters are energy-efficient, the Universal H-Series Low NOx heater has an 83-84 percent industry-leading thermal efficiency and complies with all current California and Texas air quality emission standards. The low NOx emission makes it a perfect choice for the environmentally concerned pool owner. Enjoy a warmer pool this season without your fuel costs...

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