Hayward Universal H-Series Natural Gas Heater | 400,000 BTUs | Low NOx | W3H400FDN Hayward DEX2420GA Reliability: Recognized as the most

Reliability: Recognized as the most reliable

Perfect for various outdoor applications

thanks to reusable O-Rings included

prevent future leaks with reinforced seal and clamp ring

Hayward Universal H-Series Natural Gas Heater | 400,000 BTUs | Low NOx | W3H400FDN Hayward DEX2420GA Reliability: Recognized as the mostThe Hayward Universal H Series Natural Gas Heater W3H400FDN is a high quality and efficient heating solution for your swimming pool. Powered by natural gas, it provides quick and reliable heating to keep your pool at a comfortable temperature. With its universal design, it can easily replace existing heaters and seamlessly integrate into your pool system. The heater features an electronic ignition system for easy and reliable startup, while its