Low-Level Cutoff & Inlet Check Valve
Installs at the bottom of the pump suction tube to help the pump maintain prime during periods of non-use. Also helps protect the pump by slowing down the cycle rate if the pump runs dry (no oil in tank). 1-1/2"(F) inlet. Low-level cutoff is 4-5/8"(L) which must be taken into consideration when ordering the suction tube.