Transform your pool into a year-round oasis with the Universal H-Series Natural Gas 400,000 BTU Low NOx Heater. Shasta Pool Supply markets the best prices on Hayward pool equipment. Specifically, the Hayward W3H400FDN Pool Heater combines energy efficiency and installation flexibility.

Hayward W3H400FDN Pool Heater

The Universal H-Series boasts a patented header by-pass design. Furthermore, it ensures uniform water flow through all tubes for faster and more efficient heating. Therefore, this innovative design significantly reduces pump run-time and results in substantial energy savings.