Reznor Water Heater Gas Valves & Controls

Reznor Gas Valves & Controls: Precision from a Heating Legacy

Reznor has been engineering gas-fired heating systems since 1888, when George Reznor set out in Pennsylvania to improve everyday comfort and safety. Over 135 years later, that same commitment to precision and reliability is built into every component the brand produces — including the gas valves and controls that keep heating systems operating safely and efficiently. When a gas valve fails, the entire heating system is compromised; Reznor-grade replacement components are designed to restore performance to the manufacturer's original specifications.

What Reznor Gas Valves & Controls Do

Water heater gas valves and controls are the critical interface between the gas supply and the burner assembly. They govern the flow of natural gas or propane into the burner, enable accurate temperature regulation, and provide the safety shutoff mechanisms that protect against overpressure or flame failure. In a Reznor unit heater or duct furnace, these components must withstand high heating demands cycle after cycle without drifting out of calibration or developing leaks.

Reznor gas valves are engineered to control the flow of natural gas or propane into the burner assembly, enabling accurate temperature control and optimal performance. They are designed for durability, capable of withstanding high heating demands while maintaining efficiency.

Reznor Gas Valve Product Range

Reznor's lineup of gas valves and controls covers a wide range of configurations to match their extensive catalog of commercial and industrial heating equipment. Key options in this category include:

• Single-stage combination gas valves — such as the 1/2" single-stage valve (part #208920), compatible with Reznor F-model furnaces and operating at 24 VAC.
• Two-stage gas valves — including 1/2" propane two-stage valves (part #177395), offering modulated output for more precise temperature control in demanding environments.
• Natural gas and LP combination valves — available in 1/2", 3/4", and larger sizes, sourced from trusted control manufacturers and spec'd specifically for Reznor UDAP, UDAS, UDBP, UDBS, and UEAS model series.
• Gas valve and thermostat assemblies — integrated controls that combine gas regulation and temperature sensing in a single, serviceable unit.

Many Reznor OEM valves are cross-referenced against equivalent controls from established valve manufacturers, ensuring that technicians can find a verified functional replacement even for older equipment. Always have the complete model number and serial number of the heater on hand when selecting a replacement control — selecting the wrong valve for a given model can affect combustion performance and safety.

Why Choose OEM Reznor Gas Valves?

Reznor built its reputation by providing high-quality heating systems for warehouses, workshops, retail shops, garages, and industrial environments. OEM gas valve assemblies are built to the same tolerances as the originals, preserving factory combustion efficiency, gas pressure ratings, and safety interlock behavior. Installing an incorrectly rated or incompatible valve can lead to symptoms like no gas flow, intermittent pilot lockout, improper flame characteristics, or sooting — all of which OEM-grade Reznor replacement valves are designed to prevent. All installations of Reznor gas-fired products must comply with NFPA standards, the National Fuel Gas Code, and all applicable local authorities, making correct component selection especially critical.