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The AH13B020 is a standard two-wire model without an integrated auxiliary end switch
Direct OEM Compatibility: Eliminates the risks associated with universal gas furnace ignitors that may not match the direct spark timing or current draw of Dunkirk controls
017 orifice dedicated to natural gas
Using this valve with liquid propane without an approved conversion kit is unsafe and will result in improper burner performance
It typically manages the timing sequence between the thermostat’s call for fan (G-terminal) and the actual activation of the blower motor or heating elements
Reznor 121600 Gas Valve 30067439-890 The AH13B020 is a standardThe 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