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Raypak Raytherm® P-1826 Indoor Natural Gas Heater with CWR 1826K BTU 12382
Raypak Raytherm® P-1826 Indoor Natural Gas Heater with CWR 1826K BTU 12382
Powerful 1826K BTU indoor natural gas heater with energy-saving CWR system and durable cupro-nickel heat exchanger.
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The Raypak Raytherm® P-1826 Indoor Natural Gas Heater delivers powerful 1826K BTU heating for large pools with unmatched efficiency.
Its durable cupro-nickel heat exchanger ensures longevity, even in demanding environments.
The Cold Water Run (CWR) system optimizes performance during low-demand periods, saving energy and costs.
Equipped with the Versa IC® control system, it offers advanced diagnostics and seamless integration with building management systems.

⭐⭐⭐⭐⭐
Customers praise the Raypak Heater for its robust build and high-efficiency performance, making it perfect for heating large pools.
The cupro-nickel heat exchanger is frequently highlighted for its durability and resistance to harsh environmental conditions, ensuring longevity and reliable operation.
Users also appreciate the energy-saving Cold Water Run (CWR) system, which allows the heater to function efficiently during low-demand periods, leading to cost savings. The Versa IC® control system is recognized for its user-friendly interface and advanced diagnostics, making it easy to monitor and maintain.
Many reviewers also emphasize the seamless integration with existing systems and eco-friendly low NOx emissions, ensuring compliance with environmental standards.
Overall, the heater is praised for its reliability and value for money, making it a popular choice for both commercial and residential pool heating needs.

- Durable Cupro-Nickel Heat Exchanger: Built to endure tough conditions and provide long-lasting, efficient heating.
- Cold Water Run (CWR) System: Optimizes energy use by operating during low-demand periods, saving energy and reducing operational costs.
- Versa IC® Control System: Provides advanced diagnostics, easy-to-read fault history, and streamlined system management.
- Fan-Assisted Combustion: Reduces NOx emissions to meet environmental standards, ensuring eco-friendly operation.
- Seamless Integration: Easily integrates with various building management systems for smooth operation and setup.

- Fuel Type: Natural Gas
- Flow Rate Max: 70 gal/min
- Flow Rate Min: 45 gal/min
- Each Product Weight: 1,100 lbs
- Shipping Dimensions:65 inches

Q: What is the Cold Water Run (CWR) system?
A: The CWR system enables the heater to operate efficiently during low-demand periods, helping to conserve energy and reduce costs.
Q: Is this heater suitable for commercial use?
A: Yes, it is designed for both commercial and residential applications, providing robust performance for a variety of pool heating needs.
Q: Does the heater comply with environmental regulations?
A: Yes, the heater’s fan-assisted combustion system ensures low NOx emissions, complying with eco-friendly standards.


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Raypak is a trusted name in pool and spa heating, offering energy-efficient gas heaters and heat pumps built for long-lasting performance. Whether you're warming up your pool for year-round use or extending your swim season, Raypak delivers reliable temperature control. At AquaDoc, we offer a wide selection of Raypak pool heaters to help you enjoy comfortable water—whenever you want it.
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