Hayward W3H400FDN 400K BTU Low NOx Universal H-Series Natural Gas Heater
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.
Features:- 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