Part 71630 Shaft Seal for 716061, 719061, 722061, 71916 & 71926 PumpsGenuine Hydrotools replacement shaft seal for 1. 0, 1. 5 and 2. 0 horsepower filter pumps used on Swimline sand filter systems The Part 71630 Replacement Internal Shaft Seal Features Include Two part seal and spring that prevents water from weeping into the motor This is a maintenance item on the following models: 716061, 719061, 722061, 719161 & 71926 Also backwards compatible with discontinued models: 71606, 71906, 72206