: Custom molded to fit directly into the flo and Intelli flo pool pump. 2 inch fitting will make your plumbing work fast and easy.2 Inch Connection: These Hi Temperature Unions are 2 Inch PVC pipe. The threaded end is designed to fit into a 2 inch female threaded pool pump. Installation: Simply apply a joint stick or Teflon tape to the black threaded end of the union and rotate the union onto the pool pump. Give a tight turn once you've come to the end of the rotation to ensure a snug fit. : Custom molded to fit directly into the flo and Intelli flo pool pump. 2 inch fitting will make your plumbing work fast and easy. 2 Inch Connection: These Hi Temperature Unions are 2 Inch PVC pipe. The threaded end is designed to fit into a 2 inch female threaded pool pump Installation: Simply apply a joint stick or Teflon tape to the black threaded end of the union and rotate the union onto the pool pump. Give a tight turn once you've come to the end of the rotation to ensure a snug fit. Taking Pump Out: When needing to remove your pool pump, simply untighten the union from the back ribbed nut and the pump will separate. 100% Satisfaction Guaranteed: Buy with confidence, as our premium quality Hi Temp Unions are built to last, and if you're not satisfied with it at any time within 30 days of purchase, we'll provide a refund or replacement.