Low NOx emissions design reduces nitrogen oxide output for compliance with clean air standards
Cupro-nickel heat exchanger provides enhanced corrosion and erosion resistance for long-lasting performance
Digital LED control panel with temperature display and diagnostics enables easy operation and troubleshooting
Forced draft combustion system ensures consistent airflow and efficient fuel use
Universal installation platform allows flexible placement and easy replacement
Summarized by Shop
Hayward 400K BTU H-Series Propane Heater, Cupronickel, W3H400FDP
The Hayward Universal H-Series Pool and Spa Gas Heaters are known for their energy-efficient and reliable heating capabilities and are suitable for both pools and spas.
Equipped with a durable cupro-nickel heat exchanger, these heaters are resistant to corrosion, which exten