Product Overview

The Raypak B-R406A-EN-C #50 Digital ASME Natural Gas Pool Heater is a high-performance heating solution designed for commercial facilities and large residential pools requiring ASME-certified equipment. With a powerful 399,000 BTU output, this heater delivers rapid heat-up times and consistent temperature control for pools and spas.

Engineered with ASME-rated construction and a copper heat exchanger, this model provides efficient heat transfer and dependable performance in properly balanced water systems. The digital control interface allows for precise temperature adjustment and easy system diagnostics, making operation and maintenance straightforward. Built to Raypak’s proven standards, the B-R406A-EN-C #50 offers reliable, long-term performance in demanding applications.

Ideal For

• Commercial swimming pools and spas

• Apartment complexes, hotels, and fitness centers

• Large residential or luxury pool systems

• Installations requiring ASME-certified heaters

• High-demand pools needing fast heat recovery

Key Features

• 399,000 BTU Heating Capacity – Powerful output for large pools and commercial applications

• Natural Gas Operation – Efficient and cost-effective heating performance

• ASME-Certified Design – Meets commercial pool code and pressure vessel requirements

• Copper Heat Exchanger – Efficient heat transfer in properly maintained water chemistry

• Digital Control Panel – Easy temperature control and built-in diagnostics

• Low-NOx Technology – Complies with emissions regulations in many regions

• Compact Footprint – High output without excessive equipment pad space

Benefits

• Rapid pool and spa heat-up times

• Reliable performance for commercial and residential use

• Simplified operation with digital controls

• Efficient natural gas consumption

• Meets ASME compliance requirements

Specifications

• Manufacturer: Raypak

• Model: B-R406A-EN-C #50

• Part Number (MPN): 017374

• Fuel Type: Natural Gas

• BTU Output: 399,000 BTU

• Certification: ASME

• Heat Exchanger Material: Copper

• Controls: Digital

• Emissions: Low-NOx

• Application: Pool & Spa

• Installation Type: Outdoor

• Recommended Use: Residential (Large Pools) & Commercial

What’s Included

• Raypak B-R406A-EN-C #50 Natural Gas Pool & Spa Heater

• Factory-installed digital control system

• Manufacturer installation and operation manual

Customer Questions & Answers

Is this heater suitable for saltwater pools?
This model uses a copper heat exchanger and is suitable for saltwater pools only when water chemistry is properly balanced and maintained.

What does ASME certification mean?
ASME certification ensures the heater meets strict pressure vessel and safety standards, commonly required for commercial pool installations.

Does this heater use propane or natural gas?
This model is designed exclusively for natural gas.

Can this be used in a residential pool?
Yes. While designed for commercial use, it is also ideal for large or high-end residential pools.

Is professional installation required?
Yes. Due to gas connections and ASME requirements, installation by a licensed pool or gas professional is strongly recommended.