HAYWARD UNIVERSAL H-SERIES NATURAL GAS 400,000 BTU LOW NOX

The Hayward Universal H-Series 400,000 BTU Natural Gas Heater with a cupro nickel heat exchanger offers high-performance, energy-efficient heating for larger pools and spas. Engineered for durability and adaptability, it features a standard cupro nickel heat exchanger that provides superior resistance to saltwater and chemical corrosion ideal for tough water conditions. Its exclusive “Totally Managed” water flow system maintains the same velocity through all tubes for faster, more efficient heating. The patented header bypass design reduces pump run time, delivering up to 18% energy savings. Built with 2" x 2½" CPVC union plumbing connections, the H-Series heater offers easy installation and service with compatibility for larger plumbing systems to boost efficiency. It also meets low NOx emission standards, making it an environmentally responsible choice. With power, performance, and smart design, the Hayward 400,000 BTU heater ensures reliable warmth and extended swim seasons for even the largest residential pools.