Boro Hydro Master Plastic Sump Pump Check Valve with Stainless Steel Clamps for 1-1/2
How to Install : The 1 inch union check valve must be installed for ''Vertical Direction'', and must be installed correctly following with clear union
PVC Union Check Valve, 1 inch True Union Check Valve, Transparent Blue UPVC Check Valve (Heavy Duty) with Slip x Slip Full Port, Prevent Backflow
Thos. Somerville Co. NDS® 1400-15 41CV Sump Pump Check Valve, 1-1/4 to 1-1/2 in, IPS Compression, PVC Body, EPDM/Buna-N Softgoods
Everbilt 1-1/4 to 1-1/2 in. ABS In-Line Sump Pump Check Valve THD1020 - The Home Depot
Everbilt 1-1/4 in. to 1-1/2 in. Threaded ABS Sump Pump Check Valve THD1021 - The Home Depot
Drainage Industries 1-1/2 In. ABS Thermoplastic In-Line Sump Pump Check Valve
Little Giant 599059 Check Valve 1-1/4 & 1-1/2
Zoeller Sump Pump Check Valve
PVC Union Check Valve, 1-1/4 inch True Union Check Valve, Transparent Blue UPVC Check Valve (Heavy Duty) with Slip X Slip Full Port, Prevent Backflow, Suitable for Sump Pump, Irrigation, Pool
ProPlumber Plastic Sump Pump Check Valve. Periodically test your sump pump and check valve by filling pit with water. 1-1/4 barb or 1-1/2 slip
Pro Plumber 1-1/4 Hose or 1-1/2 PVC Pipe Sump Pump Plastic Check Valve 141731
Everbilt 1-1/4 to 1-1/2 in. ABS In-Line Sump Pump Check Valve THD1020 - The Home Depot
Zoeller Plastic Check Valve in the Water Pump Accessories department at
ABS Sump Pump Check Valve Full Flow design passes 1 solids Slip x Slip Design (Clamps Included) Fits both 1-1/4 and 1-1/2 pipe Max Temp 140? F
Little Giant CV-114/112 Slip-On Sump Pump Check Valve 1-1/4 or 1-1/2