York S1-026-31241-700 Gas Valve

The York S1-026-31241-700 Gas Valve is a critical OE replacement component engineered for precision fuel regulation in high-efficiency natural gas heating systems. Designed for standard 24V intermittent pilot or hot surface ignition systems, this 1/2" NPT gas valve provides a consistent 3.5" W.C. outlet pressure to ensure optimal burner manifold performance. As a slow-opening gas valve, it facilitates a smoother ignition sequence, reducing mechanical stress on the heat exchanger and minimizing transient combustion noise during startup. This genuine Source 1 HVAC part is a direct replacement for various legacy White-Rodgers and Honeywell models, specifically cross-referencing to the VR8200 series. Its compact footprint and 24V furnace gas valve configuration make it the professional’s choice for restoring factory-spec safety and throughput in residential furnaces and light commercial air handlers.

• Optimized Combustion: Factory-set at 3.5" W.C. for Natural Gas to maintain precise manifold pressure.
• Slow-Opening Action: Enhances system longevity by limiting "rollout" and ensuring a quiet, controlled ignition.
• Universal Compatibility: Standard 1/2" x 1/2" NPT inlet/outlet threads allow for seamless integration into existing gas trains.
• OEM Reliability: Built to original York/Johnson Controls specifications, eliminating the field-fitting issues common with generic universal valves.
• High-Duty Solenoid: Rugged 24V coil design stands up to high-cycle demands in demanding winter environments.

What are the symptoms of a failing S1-026-31241-700 valve?
Technicians typically look for a "no-heat" call where the ignitor glows or the pilot lights, but the main burners fail to engage despite 24V being present at the gas valve terminals. Audible humming without gas flow or erratic manifold pressure readings also indicate a faulty internal diaphragm or solenoid.

Can this gas valve be converted to Liquid Propane (LP)?
This specific model is calibrated for Natural Gas. To utilize this valve with Propane, a manufacturer-approved LP conversion kit consisting of a specific regulator spring and cap must be installed by a certified technician to ensure safe manifold pressures.

Is this a direct replacement for Honeywell VR8200 series valves?
Yes, the S1-026-31241-700 often serves as the direct OEM-authorized replacement for original equipment Honeywell and White-Rodgers valves found in York, Luxaire, and Coleman equipment. Always verify the specific SKU on the existing valve body before installation.

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.