Hayward Universal HC Series Dual Fuel 275k BTU | HDF275

Hayward Universal HC Series Dual Fuel 275k BTU​

The Hayward Universal HC Series Dual-Fuel Heater HDF275 is a compact, high-efficiency pool and spa heater delivering 275,000 BTUs of heating power. Its dual-fuel technology allows seamless conversion between natural gas and propane, facilitated by an easy-out mixing orifice. The standard cupro-nickel heat exchanger enhances durability, protecting against water corrosion and natural wear. With the industry's smallest footprint and zero wall clearance design, it fits effortlessly into tight equipment pads. The quick-access reversible top simplifies plumbing configurations and maintenance, while low NOx emissions ensure compliance with clean air quality standards. Exclusive plumbing adapters enable straightforward drop-in replacements without pipe cutting, and the patented butterfly bypass valve supports flow rates up to 125 GPM without additional accessories. Integral tie-down connections on the base facilitate easy transport and installation.

Highlights

• Dual-Fuel Flexibility: Easily converts between natural gas and propane with a simple mixing orifice change.

• Compact & Space-Saving: Features the industry's smallest footprint and zero wall clearance design for tight equipment pads.

• Durable Heat Exchanger: Standard cupro-nickel construction resists corrosion and wear for long-lasting reliability.

• Installer-Friendly: Quick-access reversible top and exclusive plumbing adapters allow easy setup without cutting pipes.

• High-Efficiency & Low NOx: Delivers 275,000 BTUs with flow rates up to 125 GPM while meeting clean air quality standards.

Specifications​

• Gas Type: Natural gas or propane​

• BTU/hr: 275,000​

• Thermal Efficiency: 84%

• Heat Exchanger: Cupro-nickel​

• Ignition System: Silicon nitride hot surface ignition​​

• Digital Thermostat: Yes​

• Remote Compatibility: 2-wire and 3-wire​

• Supply Voltage: 240/120 VAC