4 Pack Spa Hot Tub Pump Heater Union Gasket/O-Ring -711-4030 - 711-4010 Ribbed Gasket and Flat Gasket Works on Variety of Spas Pools

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711-4030 ribbed gasket is a gasket used with many different types of standard 2" unions. One side of the gasket is flat and the other side has a raised O-Ring type of section. Outside Diameter: 2-15/16" Inside Diameter: 2-1/8. 711-4010 is a gasket used with many different types of standard 2" unions. Both sides of the gasket are flat.
Features
  • You will receive pair of flat gaskets and a pair of ribbed gaskets.
  • Stop Leaking Waterways: Fits Most Spa Pump or Heater Unions
  • This gasket goes on unions between the union and pump wet end fittings and heaters and union fittings
  • Use your choice of silicone grease on one side, or both sides, to help hold the spa gasket in place while assembling the union which will also allow easier removal in the future
  • The gasket measures around 3" across on the outside and the inside diameter is 2-1/8".
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