Waterway brand extra thick flat gasket for 2″ (Actual 3″) hot tub heater and hot tub pump unions.
Description:
- 2″ Flat Union/heater Gasket
- This gasket is designed to go inside a 2″ union
- Outside dimension: 2-15/16″
- Inside dimension: 2-1/8″
- Width: 3/8″
- Thickness: 1/4″
- flat on both sides
- Colour: clear
- Waterway part 711-4020
- This gasket is much thicker than the standard gasket, thickness of 1/4″.
Product note:
Does not fit any inflatable spas or soft sides pool like Intex or Bestway etc.








