427-128

This Honeywell 2-stage gas control valve is a premium replacement component designed for high-efficiency heating systems utilizing direct ignition. Engineered for precision and safety, this standard opening valve regulates gas flow with dual-stage capability, allowing your appliance to toggle between low and high heat outputs for improved energy management and consistent indoor comfort. Ideal for both residential and commercial furnace repairs, the valve ensures smooth fuel delivery and reliable ignition cycles. Its durable construction is built to withstand the demands of modern HVAC systems, making it a critical part for maintaining the performance and safety of gas-fired appliances featuring direct spark or hot surface ignition technology.
Type: Gas Control Valve
Size: 3/4 inch x 3/4 inch
Application: Used in residential and commercial furnaces, boilers, and other gas-fired heating equipment equipped with 2-stage direct ignition systems.
Specifications: 2-Stage regulation, Standard Opening, Direct Ignition (DI) compatible, 3/4 inch NPT Inlet, 3/4 inch NPT Outlet