Hot Tub Gaskets and O-Rings

This part is a Flat Gasket for 2" Union, 2-15/16" OD, 2-1/8" ID no Lip, This gasket is used in many applications and can be using in combination with an o-ring if you need extra thickness to make a good seal. Heater Union Part Type  ...

This part is a Standard 2" Heater or Pump Union Gasket with a 2 1/2" Lip Center to Center. The gasket is 2 7/8" across on the outside the inside diameter is about 2 3/16" and the lip that fits into the union is 2 1/2" center to...