Spa gaskets are important for creating watertight plumbing connections in your hot tub. Don't let a bad gasket ruin your Hot tub or Spa experience. 
Our gasket is a heater accessory and used on heater unions that co...

Buy Now From Amazon

Spa gaskets are important for creating watertight plumbing connections in your hot tub. Don't let a bad gasket ruin your Hot tub or Spa experience. 
Our gasket is a heater accessory and used on heater unions that connect to 2 inch inner diameter plumbing and heaters. 
Stop leaky unions and get your replacement spa gaskets today!

  • Outer Diameter: 3'' or 76mm 
  • Inner Diameter: 2.2'' or 56mm 
  • Thickness: 0.1'' or 2.6mm


  • Stop Leaking Waterways: Fits Most Spa Pump or Heater Unions
  • Application: This gasket goes on unions between the union and pump wet end fittings and heaters and union fittings
  • Dimensions: The gasket is 3" across on the outside and the inside diameter is 2.2". Please ensure your union features the correct dimensions to host this gasket before purchasing. (Outer Diameter: 3’’ or 76mm --- Inner Diameter: 2.2’’ or 56mm --- Thickness: 0.1’’ or 2.6mm)
  • Tip For Easy Installation: 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
  • Installation Instructions: For detailed steps on how to install these gaskets, please search online for "How To Replace Leaking Hot Tub Heater Union Gaskets"
  • Stop Leaking Waterways: Fits Most Spa Pump or Heater Unions
  • Application: This gasket goes on unions between the union and pump wet end fittings and heaters and union fittings
  • Dimensions: The gasket is 3" across on the outside and the inside diameter is 2.2". Please ensure your union features the correct dimensions to host this gasket before purchasing. (Outer Diameter: 3’’ or 76mm --- Inner Diameter: 2.2’’ or 56mm --- Thickness: 0.1’’ or 2.6mm)
  • Tip For Easy Installation: 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
  • Installation Instructions: For detailed steps on how to install these gaskets, please search online for "How To Replace Leaking Hot Tub Heater Union Gaskets"

Similar Products

Waterway 711-4030 (Pair) 2American Spa Parts (2) 24.0KW, Incoloy 800 Spaguts Universal Flo-Thru Heater ElementIncoloy 800 Universal Flo-Thru Heater ElementReplacement Flo-Thu Hot Tub Spa Heater Element: 5.5kW, 4.5kW or 4kW - Flow Through - Made in USAWaterway Plastics 806105121264 2Valterra 2201X PVC Unibody Gate Valve, Silver, 2DERNORD Silicone Gasket Tri-Clover (Tri-clamp) O-Ring - 2 Inch (Pack of 2)