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Product Overview

The Raypak 014940 P-R336A-EN-X Digital Natural Gas Heater is a high-performance residential pool and spa heater built for dependable heating, simple digital operation, and improved corrosion resistance. Commonly sold as a 300K BTU class heater, this Raypak 336A model delivers strong heating power for medium to larger residential pools and pool/spa combinations.

This model features a cupro-nickel fin-tube heat exchanger, making it a strong option for saltwater pools, spas, and applications where water chemistry can be more demanding. The included ProTek Shield adds another layer of protection for key heater components, helping support longer service life when the heater is properly installed and maintained.

With digital controls, electronic ignition, polymer headers, and Raypak’s service-friendly design, the 014940 is a reliable choice for homeowners who want efficient heating and long-term durability.

Ideal For

Inground residential pools

Pool and spa combination systems

Saltwater pool applications

Medium to larger residential pools

Customers wanting cupro-nickel durability

Replacing an older Raypak 336A natural gas heater

Pool owners who want digital controls and service diagnostics

Key Features

300K BTU Class Heating Performance: The Raypak 336A platform provides powerful heating performance for residential pool and spa systems. It is commonly marketed as a 300K BTU class heater, with a rated input of approximately 332,500 BTU.

Cupro-Nickel Heat Exchanger: The cupro-nickel heat exchanger offers enhanced durability compared with standard copper, especially in saltwater pools, spas, and applications with more aggressive water conditions.

ProTek Shield Protection: This model includes ProTek Shield, designed to help protect the heater from corrosion and support longer component life.

Digital Control System: The built-in digital control panel makes it easy to set and monitor water temperature. Digital diagnostics also help simplify troubleshooting and service.

Electronic Ignition: Electronic ignition eliminates the need for a standing pilot and helps provide reliable startup when there is a call for heat.

Polymer Headers: Durable polymer headers help resist corrosion and are designed for long-term pool environment exposure.

Residential Pool & Spa Compatibility: Designed for residential swimming pools and spas, including pool/spa combination systems where reliable gas heating is required.

Service-Friendly Raypak Design: Raypak heaters are known for accessible components, practical layout, and dependable field serviceability.

Benefits

The Raypak 014940 P-R336A-EN-X gives pool owners a strong combination of heating power, corrosion resistance, and easy operation. Its 300K BTU class output helps heat pool and spa water efficiently, while the cupro-nickel exchanger adds protection for more demanding installations.

The digital control system makes everyday use simple, and built-in diagnostics help service professionals identify issues faster. With electronic ignition, polymer headers, and ProTek Shield protection, this heater is built for reliable residential pool and spa performance.

Specifications

Warranty & Compatibility

Important Installation Notes

This heater should be installed by a licensed pool, gas, or HVAC professional. Proper gas line sizing, electrical wiring, water flow, bonding, ventilation, clearances, and local code compliance are required for safe operation and warranty protection.

This model is commonly listed for 0–2,000 ft. elevation. Always confirm installation elevation before ordering.

This is generally considered a standard emissions heater, not a Low NOx model. Customers in California or other emissions-regulated areas should confirm local code requirements before purchase.

Customer-Facing Q&A

Q: Is this heater natural gas or propane?
A: This model, Raypak 014940 / P-R336A-EN-X, is the natural gas version.

Q: Is this a 300K or 336K heater?
A: It is commonly marketed as a 300K BTU class Raypak 336A heater. The rated input is approximately 332,500 BTU.

Q: What is the benefit of cupro-nickel?
A: Cupro-nickel provides added resistance against aggressive water conditions compared with standard copper. It is a preferred option for saltwater pools, spas, and higher-use applications.

Q: Does this heater include ProTek Shield?
A: Yes. This Raypak 014940 model includes ProTek Shield protection.

Q: Does it have electronic ignition?
A: Yes. This heater uses electronic ignition, so it does not rely on a constant standing pilot.

Q: Can this heater be used on a saltwater pool?
A: Yes. The cupro-nickel heat exchanger makes it a strong option for saltwater pool applications, but proper water chemistry must still be maintained.

Q: What size plumbing connections does it use?
A: This heater uses 2" water connections.

Q: Does this heater require professional installation?
A: Yes. Gas pool heaters must be installed by a qualified professional to ensure proper gas, electrical, venting, water flow, and bonding compliance.