Honeywell VR8304Q4404 Gas Valve

The Honeywell VR8304Q4404 gas valve, sold under the REZNOR label with manufacturer part number 177397, is a two-stage natural gas control valve designed for reliability and staged ignition in gas-fired equipment. It features 3/4 in NPT inlet and outlet connections (3/4" x 3/4"), enabling straightforward replacement in standard piping runs and compatibility with many REZNOR installations. The valve operates on a 24 VAC coil and is specified for natural gas service with a typical inlet pressure range of 0.9 to 3.5 inches of water column, making it suitable for mid- to high-capacity furnaces and boilers that require precise gas modulation. As a replacement part, its 3/4" porting and the VR8304Q4404/Honeywell 177397 designation are documented in OEM and distributor catalogs for Reznor heating equipment, reinforcing its suitability for eligible units.