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 P-R406A Digital Propane Gas Heater is a high-output residential pool and spa heater designed for powerful propane heating performance. With 399,000 BTU output, digital controls, electronic ignition, polymer headers, and a copper heat exchanger, this heater is a strong choice for larger residential pools, attached spas, and customers who want fast heat-up times.

This model features Raypak’s digital LCD control panel, a corrosion-resistant cabinet, high-wind resistance, a Unitherm Governor, 2-inch PVC water connections, and ProTek Shield technology to help protect the heat exchanger from corrosion. It is configured for standard elevation applications from 0–2,000 ft, giving pool owners reliable propane heating for outdoor residential installations.

Ideal For

This heater is ideal for residential pool owners who need a powerful propane pool and spa heater with digital controls and dependable high-capacity heating performance.

In-ground pools and attached spas

Larger residential pools

Pool and spa combinations

Outdoor equipment pad installations

Propane / LP gas pool heating systems

Standard elevation installations from 0–2,000 ft

Customers replacing an older Raypak 406A propane heater

Customers who want digital controls with electronic ignition

Key Features

Digital LCD Control Panel: The easy-to-use digital interface allows simple temperature adjustment and helps monitor heater operation and service diagnostics.

399,000 BTU Heating Performance: Provides powerful heating capacity for larger residential pools and spas, helping reduce heat-up time compared to lower BTU models.

Propane / LP Gas Operation: Designed for use with propane gas fuel systems.

Electronic Ignition: Starts efficiently without the need for a standing pilot.

Copper Heat Exchanger: Delivers effective heat transfer for standard residential pool applications.

Polymer Headers: Help resist corrosion and support long-term durability.

ProTek Shield Technology: Helps protect the heat exchanger and internal components from corrosion.

Corrosion-Resistant Cabinet: Built to withstand outdoor pool equipment environments.

High-Wind Resistance: Designed to perform reliably in outdoor equipment pad environments.

Unitherm Governor: Helps prevent condensation and supports efficient heater operation.

2-Inch PVC Water Connections: Designed for standard residential pool plumbing connections.

Remote Compatible: Can be connected to compatible 2-wire or 3-wire pool control systems for added convenience.

Benefits

The Raypak P-R406A Digital Propane Gas Heater gives pool owners powerful, reliable heating with simple digital controls and durable Raypak construction. Its 399,000 BTU output makes it one of the strongest options in the Raypak residential digital heater lineup, making it a practical choice for larger pools, attached spas, and customers who want quicker heat-up performance.

The propane design is ideal for properties without natural gas service, while the digital control system makes everyday operation simple. Built-in service diagnostics help support easier troubleshooting, and durable components such as the copper heat exchanger, polymer headers, corrosion-resistant cabinet, high-wind-resistant design, Unitherm Governor, and ProTek Shield technology help support long-term outdoor performance.

For customers replacing an existing Raypak 406A propane heater, this model may also provide a familiar installation footprint and operating experience.

Specifications

Customer-Facing Q&A

Q: Is this heater natural gas or propane?
A: This listing is for the propane / LP gas Raypak P-R406A-EP-C #57 model.

Q: What does #57 mean on this Raypak heater?
A: The #57 version identifies this propane model configuration for standard elevation applications.

Q: Is this a digital heater?
A: Yes. This model includes Raypak’s digital LCD control system for temperature adjustment, operation monitoring, and service diagnostics.

Q: Does this model have electronic ignition?
A: Yes. This heater uses electronic ignition.

Q: Is the heat exchanger copper or cupro-nickel?
A: This model uses a copper heat exchanger. It is not the cupro-nickel version.

Q: Can this heater be used with saltwater pools?
A: This model may be used with properly balanced pool water. For saltwater pools or more demanding water conditions, many customers often prefer a cupro-nickel heat exchanger model for added corrosion resistance.

Q: Does this heater require professional installation?
A: Yes. Propane gas pool heaters should be installed by a licensed plumber, qualified pool professional, or gas appliance technician according to local code requirements.

Q: What elevation is this model designed for?
A: This model is configured for standard elevation installations from 0–2,000 ft.

Q: Can this heater be installed indoors?
A: This model is commonly used for outdoor installation. Indoor installation requires proper venting and must follow the manufacturer’s instructions and local code requirements.

Q: Is this heater Low NOx compliant for California SCAQMD areas?
A: This standard model may not meet all Low NOx requirements in certain California jurisdictions. Customers in areas with strict emissions rules should confirm local code requirements before purchasing.