Description
Hayward Universal H-Series natural gas pool and spa heater, 399,900 BTU/hr input (model H400FD). Features a cupro nickel heat exchanger for corrosion resistance, a silicon nitride hot-surface ignition system and a digital LED control panel with self-diagnostic capability. Accepts 110V or 220V supply. Low NOx emissions comply with current air quality standards. Front-panel service access only. Water connections 2 inch x 2.5 inch. Suited to pools up to approximately 1,200 square feet surface area. Clearance stock.