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-EN-X #51 Digital Natural Gas Pool and Spa Heater | 014941 is a high-capacity residential heater designed for large swimming pools and attached spas. Commonly identified as a 406K-class heater, this model delivers a certified natural-gas input of 399,000 BTU for fast and dependable water heating.

The heater features a durable cupro-nickel fin-tube heat exchanger, corrosion-resistant polymer headers, electronic ignition, digital controls, onboard diagnostics, and Raypak’s ProTek Shield™ protection system. Its upgraded exchanger construction makes it an excellent choice for saltwater pools, high-flow applications, and demanding water conditions.

Key Features

• Certified 399,000 BTU natural-gas input
• R406A high-capacity residential heater
• Cupro-nickel fin-tube heat exchanger
• Corrosion-resistant polymer headers
• Digital temperature display and controls
• Electronic ignition with no standing pilot
• Built-in operating status and service diagnostics
• ProTek Shield corrosion-protection module
• Automatic bypass and Unitherm Governor
• High-wind-resistant design
• 2" water connections
• Compatible with supported pool automation systems
• Factory configured for elevations from 0–1,999 feet
• Suitable for residential pools and spas

Benefits

• Rapidly heats large pools and attached spas
• Cupro-nickel tubing provides added resistance to erosion and corrosion
• Well suited for saltwater and demanding water conditions
• Digital controls provide accurate temperature management
• Self-diagnostics simplify troubleshooting and service
• Electronic ignition improves convenience and efficiency
• Polymer headers resist rust and help prevent staining
• ProTek Shield helps extend heat-exchanger life

Specifications

What’s Included

• Raypak 014941 natural-gas pool and spa heater
• Cupro-nickel heat exchanger
• Polymer header assembly
• Digital control system
• Electronic ignition system
• ProTek Shield module
• Manufacturer installation documentation

Not Included: Gas piping, shutoff valve, electrical wiring, plumbing materials, venting components, automation wiring, equipment pad, or installation labor.

Installation Information

Professional installation is required. Before ordering, verify the natural-gas meter capacity, gas-line size, inlet gas pressure, electrical service, water-flow rate, plumbing size, installation clearances, elevation, and local code requirements.

This model is factory configured for natural gas and elevations from 0–1,999 feet. A different heater configuration or approved altitude conversion may be required above 2,000 feet.

Warranty Information

The Raypak 014941 is covered by a limited manufacturer warranty subject to Raypak’s current terms, purchase channel, application, registration, and professional-installation requirements.

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

Freight Delivery Notice

This heater 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?
The Raypak 014941 is factory configured for natural gas.

Is this a 406,000 BTU heater?
It is part of Raypak’s R406A or 406K model class, but its certified input rating is 399,000 BTU.

What type of heat exchanger does it use?
It uses a durable cupro-nickel fin-tube heat exchanger.

Does it have bronze headers?
No. This non-ASME residential model uses corrosion-resistant polymer headers.

Is this an ASME heater?
No. This is a residential Digital model. An ASME model should be selected when required by commercial codes.