Sump Pump Check Valve 1-1/4 or 1-1/2 slip x slip

Liberty Pumps BCV150 - 1-1/2-Inch Check / Ball Valve Combo

1-1/4 in. Slip x 1-1/2 in. Slip ABS Combination Check Valve

How to Install : The 1-1/4 inch union check valve must be installed for ''Vertical Direction'', and must be installed correctly following with clear

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

Sump Pump Check Valve 1-1/4 or 1-1/2 slip x slip

Everbilt 1-1/4 to 1-1/2 in. ABS In-Line Sump Pump Check Valve THD1020 - The Home Depot

DEWALT 1-1/2 In. x 1-1/4 In. Thermoplastic Sump Pump Check Valve - Anderson Lumber

1-1/4 or 1-1/2 Slip x Slip Check Valve - Zoeller Pump Company

ProPlumber Plastic Check Valve in the Water Pump Accessories department at

MAUMEE SUPPLY

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, Suitable for Sump Pump, Irrigation, Pool

McCoy's Building Supply

Myers Sump Pump, 1.5NPT, 1/3HP/115VAC, Wide Angle, MS33T10

ABS & rubber construction with stainless steel clamps included. Durable & efficient rubber slip fit connections. Full-flow design maintains

CRAFTSMAN 1-1/2-Inch x 1-1/2-Inch Full-Flow Sump Pump Check Valve

Zoeller 30-0181 Check Valve

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