Raypak ASME B-R336A-EN-X #50 332k BTU Natural Gas Cupronickel Pool Heater

Raypak B-R336A-EN-X #50 332,000 BTU Natural Gas Cupronickel Heater

The Raypak B-R336A-EN-X #50 is a 332,000 BTU natural gas pool and spa heater designed for high-performance heating with enhanced durability. Built for medium to large pools, this model features a cupronickel fin tube heat exchanger that delivers efficient heat transfer while providing superior resistance to corrosion and chemical wear.

As part of Raypak’s Professional Series, this heater is constructed with a durable cabinet and heavy-duty internal components designed for long-term outdoor use. It provides reliable performance in both residential and light commercial environments.

High Output Heating with Long-Term Durability

The #50 configuration is designed for standard elevation operation, ensuring proper combustion and consistent performance. The digital control panel allows for precise temperature adjustments, while the electronic ignition system ensures reliable startup without a standing pilot.

The cupronickel heat exchanger offers extended lifespan and protection in aggressive pool environments, making it ideal for saltwater systems and demanding applications.

Key Features

• 332,000 BTU heating capacity for medium to large pools and spas
• #50 configuration for standard elevation use
• Natural gas 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 residential and commercial pool systems

About the Raypak ASME Series

Raypak ASME Series pool heaters are engineered 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 withstand continuous operation and higher system pressures. 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 natural gas configuration delivers consistent, cost-effective heating, while Raypak’s proven atmospheric burner design ensures stable outdoor performance. With precise digital controls, electronic ignition, and fast heat-up capability, the ASME Series provides dependable, high-output heating for commercial and large residential pool systems across a range of elevations.