Details

The Hayward H-Series W3H400FDN Natural Gas Pool and Spa Heater is environmentally friendly and energy efficient. Boasting an industry leading 84 percent thermal efficiency the environmentally friendly H-Series complies with all current California and Texas air quality emission standards. It is also the only pool heater to offer Cupro Nickel heat exchangers standard on all models. Cupro-Nickel is designed to withstand the harshest pool environments like low pH, high flow and heavy pool use and is also recommended for all pools using salt systems.

• For In-Ground Pools and Spas
• Electronic Ignition Dual Thermostat
• 400K BTU Natural Gas (NG)
• Cupro Nickel Heat Exchangers
• Easy-to-read L.E.D. digital Control Panel
• New polymer header provides superior hydraulic performance
• Larger diameter plumbing systems with 2" x 2.5" CPVC unions
• Meets the NOx Emission standards