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-R336A Digital Propane Gas Heater is a high-output residential pool and spa heater designed for dependable propane heating performance. With 332,500 BTU output, commonly marketed in the 333K BTU class, this heater is a strong choice for medium to larger residential pools, attached spas, and customers who want faster heat-up times than smaller propane heater models.

This model features electronic ignition, an LCD digital control panel, polymer headers, a copper heat exchanger, high-wind resistance, a Unitherm Governor, and a corrosion-resistant cabinet. 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 heating performance.

Recommended for:

• In-ground pools and attached spas
• Medium to 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 336A 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.

332,500 BTU / 333K BTU-Class Heating Performance
Provides strong heating power for residential pools and spas, helping reduce heat-up time compared to smaller 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.

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.

Small Footprint
Designed for practical installation on residential pool equipment pads.

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

Benefits

The Raypak P-R336A Digital Propane Gas Heater gives pool owners powerful, reliable heating with simple digital controls and durable Raypak construction. Its 333K BTU-class output makes it a practical choice for customers who need faster heat-up times or stronger temperature recovery for larger residential pool and spa applications.

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, and Unitherm Governor help support long-term outdoor performance.

For customers replacing an existing Raypak 336A propane heater, this model may also provide a familiar installation footprint and operating experience.

Specifications

Customer-Facing Q&A

Is this heater natural gas or propane?
This listing is for the propane / LP gas Raypak P-R336A-EP-C #57 model.

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

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

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

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

Can this heater be used with saltwater pools?
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.

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

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

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

Is this heater Low NOx compliant for California SCAQMD areas?
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.