Hayward H-Series Millivolt Natural Gas Heater - H400 400,000K BTUs; single thermostat; polymer headers. The Hayward H-Series heater represents the very latest in heating technology for swimming pools and spas. Rust-resistant water path with polymer header assembly, and a rapid-heat combustion chamber. H-Series heaters are easy to install and maintain, thanks to its low profile, light weight and CPVC plumbing capabilities.

Application:

• Swimming Pools and Spas

Features:

• Rust resistant water path, with injected-molded polymer header and union lock-nut assembly, provides for extended product life and simple installation.
• Patent pending heat exchanger design is the first of its kind in the pool business. The single header design combined with our unique "V" baffle allows for long life, fast heating and virtually no condensation.
• Constructed of tough, durable Eugenox, a proprietary steel alloy, H-Series burners can be removed individually or as a complete unit for easy maintenance and cleaning.