Applause AVFL42 Chesapeake CFX24 Chesapeake CFX32 Comfort Control Valve CSVF20S VFSC20D CSVF30S VFCS30D DFS32 DFS36 DFS42 DFX24 DFX32 FSUV20, 30 Vent Free PVS1 RFSUV34 RUVS32 UV33, UV33C Series UV36 UV36MN and UV36MP UV36RN, UV36RP UVBR, UVBC Series UVBR, UVCN UVC36 and UVC43 UVC36, UVC43, UVS36, UVS43 UVCVR36 UVDC, UVDR36, UVDR42 UVDR36, UVDR42C Series UVHK23MP, UVHK29MN, UVHK31MP, UVHK36MN UVHK23RP, UVHK29RN, UVHK31RP, UVHK36RN UVHK24RN, RP UVL18, 24, 30 UVLC UVLST, CV24 UVLX18, 24, 30 UVS33, UVS36 UVSRC36A, UVSRC42A UVSTR36 VF, VFC30, 36, 42 VL18, 21, 24, 30 VL24M VL24MN, VL24MP VL24RN, VL24RP VLM24RN, VLM24RP