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Raypak Hi Delta P-502C 500K NG IID Cold Run Heater 16084
Raypak Hi Delta P-502C 500K NG IID Cold Run Heater 16084
A high-efficiency commercial pool heater with advanced controls and versatile venting options for seamless integration.
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The Raypak Hi Delta P-502C is a high-efficiency commercial pool heater with a 500,000 BTU/hr capacity, perfect for both indoor and outdoor use.
It features a durable cupro-nickel finned-tube heat exchanger with brass headers, ensuring compliance with AB 1953 standards and 83.1% thermal efficiency.
The VERSA IC® control package offers an intuitive LCD display, diagnostics center, and supports cascade control for up to 4 units without an external sequencer.
With versatile venting options and seamless BMS integration, this heater is designed for easy installation, operation, and maintenance.

⭐⭐⭐⭐⭐
Customers praise the Raypak Hi Delta P-502C for its robust construction and high thermal efficiency.
The intuitive VERSA IC® control system and diagnostics center make troubleshooting effortless.
Users appreciate the heater’s adaptability with multiple venting options and BMS integration.
Many highlight its ease of installation and maintenance, making it a top choice for commercial applications.
The cold-water run option and compliance with AB 1953 standards add to its reliability.

- High-Efficiency Heating: 500,000 BTU/hr capacity with 83.1% thermal efficiency for optimal performance.
- Durable Heat Exchanger: Cupro-nickel finned-tube with brass headers ensures longevity and compliance with AB 1953.
- User-Friendly Controls: VERSA IC® package includes an LCD display and diagnostics center for easy operation.
- Versatile Venting: Supports vertical and sidewall venting without an extractor for up to 70 feet.
- Seamless Integration: Modbus RTU and 0-10 VDC BMS interfaces for advanced system compatibility.
- Cold Water Protection: CWR option allows electronic control of variable-speed pumps for real-time protection.

- Application: Pool, Spa
- Shipping Dimensions: 25 x 50 x 35 inch
- BTU Input: 500,000 BTU/hr
- Color: Green
- Use Case: Commercial, Professional
- Product Weight: 730 lbs
- Flow Rate (Max): 90 gal/min
- Flow Rate (Min): 21 gal/min
- Fuel Type: Natural Gas
- Master Carton Quantity: 1
- Minimum Sell Quantity: 1
- Pallet Quantity: 1
- UPC Code: 840328412419

Q: What is the thermal efficiency of the Raypak Hi Delta P-502C?
A: The heater boasts an 83.1% thermal efficiency, ensuring cost-effective operation.
Q: Does the P-502C support multiple venting options?
A: Yes, it offers vertical and sidewall venting, with no extractor required for sidewall applications up to 70 feet.
Q: Can the P-502C be integrated with a building management system (BMS)?
A: Absolutely, it includes Modbus RTU (RS485) and 0-10 VDC BMS interfaces for seamless integration.


Pool heaters and heat pumps are not returnable once installed or connected. Double-check fuel type, voltage, and sizing before installation.

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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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