427-028

This high-quality 1/2-inch x 1/2-inch single-stage slow-opening gas valve is a vital component for maintaining the safety and efficiency of your residential gas furnace. Engineered for systems utilizing Hot Surface Ignition (HSI) or Direct Spark Ignition (DSI), this control valve regulates the flow of fuel to the burner with precision. The slow-opening feature is designed to ensure a smooth, quiet ignition process, preventing sudden pressure surges and reducing noise during the heating cycle. Whether you are performing routine HVAC maintenance or repairing a non-functional heating system, this durable gas control valve is an essential replacement part to restore reliable warmth and performance to your appliance.
Type: Gas Control Valve
Size: 1/2" NPT Inlet x 1/2" NPT Outlet
Application: Used in gas-fired furnaces and heating units equipped with Hot Surface Ignition (HSI) or Direct Spark Ignition (DSI) systems.
Specifications: Single-stage operation, slow-opening safety mechanism, designed for HSI/DSI compatibility, standard 1/2-inch pipe threading.