This Water Source Plastic Inline Sump Check Valve prevents back flow to sump pumps. It fits both pedestal and submersible sump pumps with 1-1/4 in. or 1-1/2 in. discharge. Easy to install, this check valve is constructed of rubber.
- Prevents backflow of water into sump basin which prevents pump from cycling on and off too often
- Fits all sump pumps with 1-1/4 in. or 1-1/2 in. discharge pipe
- Reversible couplers are easy to adjust
- Unique valve body allows for nearly 100% flow
- Swing style flapper, not spring loaded
- Not for use with well pumps or other potable water applications