The diffuser channels water from the impeller into the pump housing
parts interchange smoothly over years of service
Helps maintain consistent water temperature for comfort and energy efficiency
Clean the deck opening before installation so the trim sits flush
It is also installed after seasonal wear or impact damage
Raypak Digital Natural Gas Pool Heater, 399,000 BTU, Cupro-Nickel | 014945 Wood Grain GRFC Concrete The diffuser channels water fromRaypak P R406A EN X #52 399,000 BTU Natural Gas Cupronickel Heater The Raypak P R406A EN X #52 is a 399,000 BTU natural gas pool and spa heater engineered for maximum heating output at elevations between 6,000 and 8,999 feet. Designed for large residential pools and spas, this model delivers rapid heat up and consistent temperature control. Featuring a cupronickel fin tube heat exchanger, this heater offers superior resistance to corrosion and