The 105G5920HS is typically configured as an HST model

For field durability

Will this work with all Nordyne air handlers

making it suitable for both high-pressure and low-temperature applications

The OSY2 utilizes SPDT switch contacts

Reznor 121600 Gas Valve Els PW 17895 The 105G5920HS is typically configuredThe Reznor 121600 Gas Valve is a professional grade liquid propane (LP) gas control engineered for high performance spark ignition systems. This specific 24V gas valve features a standard 1 2" NPT inlet and a 3 4" NPT outlet, making it a drop in replacement for a wide range of Reznor unit heaters and duct furnaces. Designed to handle the rigorous demands of commercial and industrial heating environments, the Reznor 121600 ensures precise fuel