The Raypak B-R336A-EN-C #50 Digital ASME Natural Gas Heater is a commercial‑grade solution built for heavy use and demanding installations. With ASME-certified construction, durable bronze headers, and a copper fin‑tube heat exchanger, this unit delivers reliable, high‑capacity heating for pools and spas in commercial settings and large residential projects alike.

Designed for professional installs, this model combines a robust 332,500 BTU input with intelligent controls and service‑oriented design. The Digital ASME platform features digital LCD controls, microprocessor diagnostics, and an outdoor cabinet engineered for harsh environments, ensuring quick troubleshooting and easy maintenance in busy facilities.

What sets this heater apart

• ASME-certified construction ensures compliance with demanding commercial codes and reliable performance under continuous use.
• 332,500 BTU / 332.5 MBTU/h input provides rapid heat‑up and ample capacity for large pools, spa systems, and multi‑zone installations.
• Copper fin‑tube heat exchanger delivers exceptional heat transfer efficiency and durable operation in heated water systems.
• 2" bronze headers offer strong, corrosion‑resistant connections ideal for outdoor, chlorine‑rich environments.
• ProTek Shield protection safeguarding critical components for longer life in real‑world poolside conditions.
• Electronic ignition for fast, reliable startup with minimal energy waste.
• Digital LCD controls and microprocessor diagnostics streamline setup, monitoring, and service, reducing downtime and maintenance costs.
• Outdoor cabinet durability built to stand up to weather exposure, dust, and routine maintenance visits.
• Professional platform readiness optimized for commercial pool and spa systems, with straightforward servicing and replacement option for 332.5K BTU applications.

Ideal for

• Commercial pool heating systems
• Commercial spa heating systems
• Heavy-use residential pools
• Large inground pools and resort-style first-class facilities
• Pool and spa combination systems
• Natural gas equipment pads and outdoor installations
• ASME-required heater installations
• 332.5K / 336K BTU heater replacement projects
• Facilities requiring bronze header construction and long-term reliability
• Professional pool heater installations in outdoor environments

Why customers choose this Raypak model

For operators who demand consistent performance, the Raypak B-R336A-EN-C #50 delivers a practical balance of power, durability, and ease of service. The combination of ASME certification, bronze headers, and a copper heat exchanger provides a sturdy, long‑lasting foundation for continuous operation in commercial and large‑residential settings. The digital platform isn’t just about fancy readouts—it’s about real‑world reliability: rapid fault diagnostics, intuitive controls, and a design that technicians can service quickly during peak season demand.

Practical considerations and best-use tips

• Install in an outdoor, weather‑protected equipment pad to maximize the longevity of the outdoor‑rated cabinet.
• Pair with compatible natural gas supply and proper venting to ensure optimal ignition reliability and efficiency.
• Use the digital diagnostics to pre‑empt service needs; address minor fault codes before they impact pool operations.
• When replacing an older 332K BTU heater, this model offers a straightforward upgrade path with equivalent capacity and a modern digital platform.

With its combination of ASME compliance, high capacity, robust materials, and professional‑grade diagnostics, the Raypak B-R336A-EN-C #50 Digital ASME Natural Gas Heater stands out as a trustworthy cornerstone for commercial and large‑scale pool and spa heating projects.