Hayward® Universal H‑Series H250FDN Natural Gas Pool Heater – 250K BTU, Low NOx

Natural gas pool heater delivering 250,000 BTU with Low NOx emissions to meet air quality standards. Built with a durable cupro‑nickel heat exchanger that resists corrosion in salt and chemically treated water, and a digital LED control panel for easy setup and temperature management. Features 2" × 2½" CPVC union plumbing and universal left/right connections for flexible installation on new or existing equipment pads. Ideal for efficient, reliable heating of in‑ground pools and spas.