427-066

This 3/4" x 3/4" HSI/DSI Single Stage Snap Open Gas Valve is a high-performance control component designed for residential and commercial heating systems. Engineered for reliability, this gas regulator valve is compatible with both Hot Surface Ignition (HSI) and Direct Spark Ignition (DSI) systems, making it a versatile replacement part for a variety of heating applications. The 'snap open' design ensures the valve reaches full capacity immediately upon activation, providing consistent gas flow to the burners for efficient heat production. Whether you are repairing a furnace, boiler, or large-capacity unit heater, this gas control valve is essential for maintaining safe operation and precise fuel management. Durable construction and standard threading ensure a secure fit and long-lasting performance in demanding environments.
Type: Gas Control Valve
Size: 3/4 inch inlet and outlet
Application: Used in high-capacity furnaces, boilers, and unit heaters equipped with Hot Surface Ignition (HSI) or Direct Spark Ignition (DSI) systems.
Specifications: Single-stage operation, Snap-open functionality, 3/4" FPT inlet/outlet, compatible with HSI/DSI ignition types.