427-038

This premium 2-stage gas control valve is engineered for high-efficiency residential and light commercial heating systems. Designed for use with Hot Surface Ignition (HSI) and Direct Spark Ignition (DSI) systems, this valve provides precise regulation of gas flow to ensure optimal furnace performance. The slow-opening mechanism is a critical safety and comfort feature, allowing for a quieter, smoother ignition process and reducing stress on the heat exchanger. As a dual-stage component, it allows your heating system to operate at both low and high-fire settings, maximizing energy efficiency and indoor comfort. This replacement gas valve is an essential component for HVAC technicians and homeowners looking to restore reliable operation to their forced-air furnaces or heating units.
Type: Gas Control Valve
Size: 1/2 Inch NPT
Application: Used in multi-stage residential furnaces, heaters, and HVAC units equipped with Hot Surface Ignition (HSI) or Direct Spark Ignition (DSI) systems.
Specifications: 2-stage operation, slow-opening ignition profile, compatible with HSI/DSI controls, 1/2 inch inlet/outlet diameter.