Product Name:Check valve
Basic check valve 1-1/4" MNPT pump thread connection x 1-1/4" Hose barb. Can also be fitted to 1-1/2" pipe with a rubber hose adapter (not supplied). Has dual size threads for 1-1/4" and 1-1/2" along with dual size hose barb. So this economy check valve is really universal. Can be used with many utility and submersible dewatering pumps.
This check valve is equipped with an anti-airlock hole located at the base of the threads. Small liquid leakage is normal.