Hot Tub Gaskets and O-Rings

This O-Ring is a NON-Standard 2" Heater or Pump Union O-Ring that measures 2 5/8" Center to Center. The O-Ring is 2 5/8" center to center and fits some unions but most unions are 2 1/2" center to center... Do not buy this O-Ring until you...

This O-Ring fits most pump Drain Plugs..  

This Part is (1) NON-Standard 2" Heater or Pump Union Gasket with a 2 5/8" Center to Center Lip. The gasket is 2 7/8" across on the outside the inside diameter is about 2" and the lip that fits into the union is 2 5/8"...

You are buying a O-Ring that fits a Waterway Brand2 1/2" Slip X 2 1/2" Threaded Pump Union with Gasket or O-ring that matches Union. This o-ring measures about 2 3/4" Inside Diameter and is 1/8" Thick... Please Choose with Care as We Do Not...

This part is a Set of (6) Standard 2" Heater or Pump Union Gasket with 2 1/2" Center to Center Lip... 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"...

This part is a Set of (4) Standard 2" Heater or Pump Union Gasket with a 2 1/2" Center to Center Lip. 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"...

This part is a Set of (3) Standard 2" Heater or Pump Union Gasket with a 2 1/2" center to Center Lip.. 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"...

This Part is a Set of (2) Standard 2" Heater or Pump Union Gasket with a lip that is 2 1/2" 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...

You are buying a 1 7/8" Center to Center O-Ring that fits 1 1/2" Heater Union that features a 1 7/8" groove. The O-Ring is 1 7/8" center to center and fits most 1 1/2" heater unions but there are exceptions which normally would be a 2 1/8" center to...

This part is a Standard 2 1/2" Pump Union O-Ring. The O-Ring is 2 1/2" Center to Center across and fits some unions but there are exceptions so please see the pictures and compare. This part is used in hot tubs between a pump...

Watkins Replacement ManifoldFor 1.5kW/120v heater assemblies. Available with 1/2" ports or 3/4" portsElement sold separately

High Flow Suctions1-1/2" slip rated at 100gpm. Hole size 2-3/8"