Raypak ASME B-R336A-EP-X #57 332k BTU Propane Cupronickel Pool Heater

Raypak B-R336A-EP-X #57 332,000 BTU Propane Cupronickel Heater

The Raypak B-R336A-EP-X #57 is a 332,000 BTU propane pool and spa heater designed for high-performance heating in elevated residential and commercial environments. Built for medium to large pools, this model provides fast heat-up and consistent temperature control using a cupronickel fin tube heat exchanger.

Part of Raypak’s Professional Series, this heater features a durable cabinet and upgraded internal components engineered for long-term outdoor use. The cupronickel construction provides superior resistance to corrosion and chemical wear.

High Output Heating with Elevated Performance Capability

The #57 configuration ensures efficient combustion and stable performance at higher elevations. The digital control system allows for precise temperature adjustment, while the electronic ignition system ensures reliable startup.

The cupronickel heat exchanger extends equipment life by protecting against corrosion and erosion, making this heater ideal for saltwater and demanding pool systems.

Key Features

• 332,000 BTU heating capacity for medium to large pools and spas
• #57 configuration for high elevation propane operation
• Propane powered heater
• Cupronickel heat exchanger for corrosion resistance
• Professional Series construction for durability
• Digital control panel with microprocessor thermostat
• Electronic ignition system with no standing pilot
• Approximately 82% thermal efficiency
• Wind-resistant cabinet for outdoor installations
• Ideal for high-demand 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.