Zoeller’s Combo Check Valve helps protect against back-siphonage and backpressure of polluted water into the potable water supply. This check valve meets plumbing codes. Installation of this check valve is easy.
- Full flow check valve design
- All stainless steel screws
- Replaceable flapper in the check valve
- Extra wide hinge to reduce stress
- Rated for 25 psi, 58 ft. of head