Raypak Digital P-R266A-EN-X #51 266k BTU Natural Gas Cupronickel Pool Heater

Raypak P-R266A-EN-X #51 266,000 BTU Natural Gas Cupronickel Heater

The Raypak P-R266A-EN-X #51 is a 266,000 BTU natural gas pool and spa heater engineered for efficient heating at elevations between 2,000 and 5,999 feet. Designed for medium-sized pools, this model delivers strong heating performance using a cupronickel fin tube heat exchanger that resists corrosion and chemical wear.

This Digital Series heater offers consistent performance with a durable cabinet built for outdoor use. It is an excellent choice for homeowners who require reliable heating in higher elevation environments.

Mid Elevation Heating with Enhanced Corrosion Protection

The #51 configuration maintains proper combustion efficiency at elevated installations. The digital control system allows for accurate temperature management, and the electronic ignition system ensures consistent startup performance.

The cupronickel heat exchanger provides long-term durability in saltwater pools and aggressive chemical conditions, helping reduce maintenance concerns over time.

Key Features

• 266,000 BTU heating capacity for residential pools and spas
• #51 configuration for 2,000 to 5,999 ft elevation
• Natural gas fuel for consistent heating
• Cupronickel heat exchanger for superior durability
• Digital control panel with precise temperature adjustment
• Electronic ignition system with no standing pilot
• Approximately 82% thermal efficiency
• Supports up to 100 GPM water flow
• Category I venting system
• Ideal for saltwater and high-demand pool systems

About the Raypak Digital Cupronickel Series

Raypak Digital Cupronickel pool heaters are designed for reliable, high-performance heating in residential and light commercial pool applications where added durability is required. Built with a cupronickel fin tube heat exchanger, these heaters offer enhanced resistance to corrosion and chemical wear, making them ideal for saltwater and aggressively treated pool systems. The natural gas configuration provides consistent and cost-effective heating, while Raypak’s proven atmospheric burner design ensures stable outdoor operation. Available in multiple elevation configurations, the Digital Series maintains proper combustion and performance at varying altitudes. With a microprocessor-controlled thermostat, electronic ignition, and fast heat-up capability, Raypak Digital Cupronickel heaters deliver precise temperature control and long-term dependable performance.