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Sold out Hayward Universal H-Series Natural Gas Heater | 350,000 BTUs | Low NOx | H350FDN $0.00 -
Hayward Universal H-Series Natural Gas Heater | 400,000 BTUs | Low NOx | H400FDN $0.00 -
Hayward Universal H-Series Natural Gas Heater | 250,000 BTUs | Low NOx | H250FDN $0.00 -
Sold out Hayward Universal H-Series Natural Gas Heater | 150,000 BTUs | Low NOx | H150FDN $0.00
Hayward Swimming Pool Heaters for Reliable Gas Heating and Year-Round Pool Comfort
Choose from a range of Hayward Universal H-Series natural gas heaters built for efficient residential pool heating with fast warm-up times and low NOx emissions.
Popular models like the H150FDN 150K BTU and H250FDN 250K BTU are well-suited for medium to large pools or attached spas.
For larger residential applications, explore the H350FDN 350K BTU or the H400FDN 400K BTU, designed for high-efficiency performance and robust durability.
Hayward’s compact heater design and corrosion-resistant components make these models ideal for both new installations and upgrades in a variety of pool environments.
Our in-store team can assist with product comparison and guidance to match your current plumbing, automation, and gas line setup for a proper install.