Raypak ASME B-R266A-EP-X #57 266k BTU Propane Cupronickel Pool Heater

Raypak B-R266A-EP-X #57 266,000 BTU Propane Cupronickel Heater

The Raypak B-R266A-EP-X #57 is a 266,000 BTU propane pool and spa heater engineered for efficient heating performance in high elevation residential and commercial applications. Designed for medium-sized pools and spas, this model delivers consistent temperature control and reliable heat transfer using a cupronickel fin tube heat exchanger.

As part of Raypak’s Professional Series, this heater features a rugged cabinet and heavy-duty internal components built for long-term outdoor use. The propane configuration provides installation flexibility while maintaining strong and consistent heating output.

Reliable Heating Performance with Cupronickel Protection

The #57 configuration ensures proper combustion and efficient operation at higher elevations. The digital control system allows for precise temperature management, while the electronic ignition system provides dependable startup without a standing pilot.

The cupronickel heat exchanger offers extended durability by protecting against corrosion and chemical wear in demanding pool environments.

Key Features

• 266,000 BTU heating capacity for residential and commercial pools
• #57 configuration for high elevation propane use
• Propane powered heater
• Cupronickel heat exchanger for enhanced durability
• Professional Series construction for reliability
• Digital control panel with precise temperature adjustment
• Electronic ignition system with no standing pilot
• Approximately 82% thermal efficiency
• Durable outdoor cabinet design
• Ideal for medium-sized pool systems

About the Raypak ASME Series

Raypak ASME Series pool heaters are built for commercial-grade performance and long-term reliability in high-demand pool and spa applications. Constructed in accordance with ASME standards, these heaters feature heavier-duty components and thicker heat exchangers designed to handle continuous operation and higher pressure systems. Available in both copper and cupronickel configurations, the ASME Series offers flexibility for standard and saltwater pool environments, with cupronickel models providing enhanced resistance to corrosion and chemical wear. The digital control system delivers precise temperature management, while the electronic ignition system improves efficiency and eliminates the need for a standing pilot. Combined with Raypak’s proven atmospheric burner design, these heaters provide fast heat-up times, consistent performance, and dependable operation for commercial and large residential pool systems.