GRUNDFOS - FLANGE KITS FOR UNION MOUNTED PUMPS (Models, UPS15-35SUC/LC/DT, UPS15-55SUC/LC/DT) 1/2" bronze union isolation valve set (threaded) - 519850
GRUNDFOS - FLANGE KITS FOR UNION MOUNTED PUMPS (Models, UPS15-35SUC/LC/DT, UPS15-55SUC/LC/DT) 3/4" bronze union isolation valve set (compression) - 519851
GRUNDFOS - FLANGE KITS FOR UNION MOUNTED PUMPS (Models, UPS15-35SUC/LC/DT, UPS15-55SUC/LC/DT) 3/4" bronze union isolation valve set (threaded) - 519852
GRUNDFOS - HOT WATER RECIRCULATION SYSTEMS ALPHA 15-55 HWR-T 115 Bronze, union 3/4" iso valve, check valve, wireless aquastat, programmable digital timer and half union set - 99906545