For Above-Ground Pools | Outdoor Use Only

The Hayward H-Series 135,000 BTU Natural Gas Heater delivers superior heat performance, long-term durability, and outstanding value for above-ground pools and spas. Engineered with Hayward’s exclusive cupro-nickel heat exchanger as standard, this heater offers enhanced resistance to corrosion and scale buildup—extending product life and ensuring reliable operation season after season.

Designed for outdoor installations, the H-Series uses fan-assisted combustion to deliver fast, efficient heating, allowing you to maintain comfortable water temperatures even during cooler weather. A digital electronic thermostat provides precise temperature control, improving energy efficiency while keeping your pool or spa consistently comfortable.

Built for dependable performance, this heater operates on a 110V power connection and is ideal for traditional above-ground pool systems with adequate water flow. Whether extending your swimming season or maintaining spa comfort, the Hayward H-Series offers proven performance backed by Hayward engineering.

Key Features & Specifications

• 135,000 BTU output for fast, efficient heating

• Standard cupro-nickel heat exchanger for superior durability

• Fan-assisted combustion for reliable heat performance

• Digital electronic thermostat for precise temperature control

• 110V electrical connection

• Designed for outdoor use only

• Ideal for above-ground pools and spas with sufficient flow

Important Notes & Warnings

• Not for indoor installation

• Low-altitude heater only – will not operate above 2,000 ft

• Requires external power supply: 120V, 60Hz, single-phase, 5.5A max

• Recommended circuit protection: 15 Amp

• Not compatible with soft-sided pools (Intex®, Coleman®, Bestway®)
  Installing on soft-sided pools will void the manufacturer’s warranty