Residential Gas Furnace Operation - HVAC.Amickracing

Gas ValvesRecommended ReplacementProductionFurnace Model Gas Valve Natural Propane/LPFUA/FCA-A-A A B BFUA/FCA-A-B,C E E E✽UC-C-A,B/✽DC-C-A,B,C A,B1 B B✽UD-C-A,B,H/✽DD-C-A,B,C,D,J,K A,B1 B B✽UD/✽DD-R-A C C,G,K,L2 D,G,K,L2✽UE/✽DE-A-A,B E E E✽UJ-A-A E E E✽UX/✽DX-C-A F F F✽UY/✽DY-R-A G2 G2 G2FUA-A-E/FCA-A-E H H HTUE-A-K/TDE-A-K✽UX/✽DX-C-C I I I✽UC-C/✽DC-C-C J J J✽UD-C-H/✽DD-C-C3✽UD-R-K/✽DD-R-F L2 L2 L2✽UX-R-V, W/✽DX-R-V, W L2 L2 L2✽UY-R-V, W/✽DY-R-V, W L2 L2 L2✽UE-A-L/✽DE-A-M M M M✽UX/✽DX-C-C, D4 N N N✽UD-C-K/✽DD-C-F4 O O O✽UE-A-L/✽DE-A-M4 N N N✽UC-C-B/✽DC-C-B4 O O O✽ Models may be an A or T or F.1 Factory change from fast to slow opening valve in January, 1994.2 “G,” “K” or “L” valves approved for natural or propane.3 Factory Change, April, 1996 (L19 Datecode).4 Factory Change, August, 2001.continued29