Suburban Furnace Gas Valve 161122 (SF Series) Above SN 971303163 Compatibility: Suburban Furnace  SF-20/25/30/35/42; SF-20/25/30/35/42F (Above Serial No. 971303163); SF-20/25/30/35/42Q; SF-20/25/30/35/42FQ SF-20VHQ • SF-25VHQ • SF30VHQ • SF-35VHQ • SF-42VHQ SF-20VHFQ • SF-25VHFQ • SF3... See More