Trane VAL7731 Gas Valve

The Trane VAL7731 Gas Valve is a critical OEM replacement component for residential and light commercial furnaces, engineered to ensure precise fuel regulation in American Standard and Trane heating systems. Functionally identical to the White Rodgers 36G22-209 Gemini series, this 24V gas valve is designed for high-performance applications utilizing hot surface ignition (HSI) or direct spark ignition (DSI) systems. It features a standard 1/2" NPT inlet and outlet for seamless integration with existing gas manifolds, supporting a 140,000 BTU/HR capacity at a 1" pressure drop.

For technicians navigating furnace gas valve replacement, the VAL7731 comes factory-calibrated for natural gas with a 3.3" WC manifold pressure setting. The redundant solenoid design provides an essential safety layer by ensuring a positive shut-off when the 24VAC control signal is removed. Whether you are addressing a Trane VAL7731 setup or cross-referencing for the 36G22-209 gas valve, this fast-opening, single-stage operator delivers the reliable ignition and steady flow control required to maintain system efficiency and meet demanding heating cycles.

• Universal Compatibility: Serves as a direct OEM drop-in for Trane VAL7731 and White-Rodgers 36G22-209 model types.
• Optimized Ignition: Fast-opening mechanism specifically tuned for HSI and DSI systems to reduce ignition delay and startup noise.
• Technical Precision: Pre-set to 3.3" WC for natural gas, with an adjustable regulator range to fine-tune manifold pressure for specific field requirements.
• Reliable Connectivity: Features standard 1/2" NPT threading and 1/4" spade terminals for a secure mechanical and electrical fit.

Is the VAL7731 compatible with Propane (LP) systems?
This valve is factory-configured for natural gas. To use it with Liquid Propane, a qualified technician must install a compatible LP conversion kit (often part number KIT09419 or equivalent) and adjust the regulator according to manufacturer specifications.

Does this valve replace older Trane Gemini series valves?
Yes, the VAL7731 is the current replacement part for various legacy 36G series valves. While the physical footprint may vary slightly from units produced decades ago, the 1/2" NPT ports and 24V coil voltage remain standardized for cross-compatibility.

What are the electrical requirements for this part?
The valve operates on a standard 24VAC, 50/60Hz control circuit with a current draw of approximately 0.28 Amps, making it compatible with most modern integrated furnace controls.

Disclaimer: While we strive for 100% accuracy, product data and specifications are subject to change. Please contact our team to confirm compatibility or technical details before purchasing.