Description
Upgrade or restore safe gas control in your commercial heating system with the Reznor 177397 3/4″ 2-Stage Natural Gas Valve — a heavy-duty OEM replacement valve designed to regulate fuel flow with precision and reliability. Built to the same exacting standards as original components, this 2-stage gas valve ensures smooth operation, efficient combustion, and improved energy performance in compatible Reznor HVAC and unit heater equipment.
Key Features
- OEM-Quality Replacement: Manufactured to Reznor’s original specifications, the 177397 gas valve is a direct replacement part engineered for dependable performance and long service life.
- 2-Stage Gas Flow Control: The two-stage design provides precise regulation of natural gas to the burner, allowing efficient transitions between low and high fire modes — which enhances comfort and fuel efficiency.
- 3/4″ Connection Size: Standard 3/4″ inlet and outlet fittings ensure compatibility with many commercial and industrial Reznor heating units.
- Natural Gas-Ready: Specifically designed for natural gas applications, this valve supports safe and controlled combustion in demanding environments.
- Durable Construction: Built from rugged materials to withstand frequent cycling and high temperatures typical of HVAC operation.







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