Need help choosing this Raypak heater? Call 725-205-1783 or email sales@poolsupplydepot.net with your existing heater model, fuel type, installation ZIP code and equipment-pad photos. We can help confirm the replacement and shipping or freight options. Local pickup is available in Henderson, Nevada; confirm availability before visiting.

Product Overview

The Raypak B-R336A-EN-C #50 Digital ASME Natural Gas Pool and Spa Heater | 017373 is a commercial-grade heating solution designed for large residential pools, commercial pools, spas, and facilities requiring ASME-certified construction.

This model delivers 332,500 BTU of natural-gas heating input and combines a copper fin-tube heat exchanger with durable bronze headers. Digital controls, electronic ignition, onboard diagnostics, and Raypak’s ProTek Shield™ provide dependable operation and simplified serviceability.

Key Features

• 332,500 BTU natural-gas heating input
• ASME-certified pressure vessel construction
• Copper fin-tube heat exchanger
• Heavy-duty bronze headers
• Digital temperature display and controls
• Electronic ignition system
• Built-in self-diagnostics
• ProTek Shield corrosion protection
• Corrosion-resistant galvanized-metal cabinet
• 2" water connections
• Dual-voltage electrical capability
• Compatible with supported pool automation systems
• Factory configured for elevations from 0–1,999 feet
• Suitable for commercial and large residential pools

Benefits

• Provides powerful heating for large pools and spas
• ASME construction supports qualifying commercial installations
• Bronze headers provide increased durability
• Copper exchanger supports efficient heat transfer
• Digital diagnostics simplify troubleshooting
• Electronic ignition eliminates a standing pilot
• ProTek Shield helps protect critical heater components
• Low-profile design provides convenient equipment-pad access

Specifications

What’s Included

• Raypak 017373 natural-gas pool and spa heater
• ASME-certified heater assembly
• Copper fin-tube heat exchanger
• Bronze header assembly
• Digital control system
• Electronic ignition system
• ProTek Shield module
• Manufacturer documentation

Not Included: Gas piping, shutoff valve, electrical wiring, plumbing materials, venting components, pressure-relief valve, automation wiring, or installation labor unless specifically stated.

Installation Information

Professional installation is required. Before ordering, verify the natural-gas meter and piping capacity, inlet gas pressure, electrical service, water flow, plumbing size, equipment-pad clearances, ventilation requirements, elevation, and applicable local codes.

This model is factory configured for natural gas and operation from 0–1,999 feet above sea level. A different factory configuration or approved altitude kit may be required for higher elevations.

Warranty Information

Raypak manufacturer warranty coverage is subject to the current warranty terms, application, installation date, product registration, and qualified professional installation.

Proof of purchase and installation documentation may be required. Damage caused by improper gas pressure, restricted water flow, incorrect wiring, poor water chemistry, freezing, scaling, corrosion, misuse, or unauthorized modifications is not covered.

Commercial warranty terms may differ from residential coverage. Confirm applicable coverage before installation.

Freight Delivery Notice

This product ships by freight. Inspect the heater and packaging carefully before signing the delivery receipt.

Document all visible damage on the carrier’s paperwork and take photographs immediately. Do not sign for a visibly damaged shipment as being received in good condition.

Customer Questions

Is this heater natural gas or propane?
Model 017373 is factory configured for natural gas.

What is the certified heating input?
The heater has a certified input rating of 332,500 BTU.

Does it have an ASME-certified heat exchanger?
Yes. This model features ASME-certified construction for qualifying commercial applications.

What materials are used in the exchanger and headers?
It uses a copper fin-tube heat exchanger with heavy-duty bronze headers.

Can it be installed above 2,000 feet?
This configuration is designed for elevations from 0–1,999 feet. Verify the correct high-altitude configuration before ordering for higher elevations.