Description
The Ruud P-D337A 399,000 BTU Natural Gas Low NOx Digital Heater offers powerful and efficient heating for pools and spas, designed to meet strict federal and state emissions standards.
Its rugged construction with copper tubing and polymer headers delivers long-lasting performance in both residential and commercial applications.
The unit is engineered to maintain peak performance in harsh conditions, including wind, rain, debris, and even snow.
With a digital electronic control system, it offers precise temperature management and reliability across all seasons.
Energy-smart technology and an ASME-certified build make it a safe, cost-effective, and high-performing choice for pool and spa heating.
Ideal for both indoor and outdoor setups, this unit handles maximum flow rates up to 125 GPM and operates efficiently at elevations up to 5,000 feet.
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