Unions, Heater

This Part is a Set of (2) NON-Standard 2" Heater Union Gasket with a 2 5/8" Center to Center Lip. Note: If you can't measure your heater union groove size we offer a set with both sizes Click this link: Set of (4) Hot Tub Spa 2"...

This Kit is a Set of (9) Replacement Gaskets Only (3) Gasket for the "A" Coupling and (6) for the "B/C" Couplings.. The "A" Gasket measures about 1 7/8" edge to edge overall and the lip or L shaped part measures about 1 9/16" Center to Center.. The...

This Kit is a Set of (6) Replacement Gaskets Only (2) Gasket for the "A" Coupling and (4) for the "B/C" Couplings.. The "A" Gasket measures about 1 7/8" edge to edge overall and the lip or L shaped part measures about 1 9/16" Center to Center.. The...

This Kit is a Set of (3) Replacement Gaskets Only (1) Gasket for the "A" Coupling and (2) for the "B/C" Couplings.. The "A" Gasket measures about 1 7/8" edge to edge overall and the lip or L shaped part measures about 1 9/16" Center to Center.. The...

This item is a Modified 2 1/2" Heater Union Tailpiece with a Pressure Switch Tap and Gasket that is used on may heater tubs that measure about 3" inside diameter of the tube.. It also has a 90 degree 1" Barb fitting.. This Union has had a Pressure Switch...

This part is a 2 1/2" Heater Split Nut with a Gasket which measures 3 9/16" Inside Diameter of the threads and 3" inside the ceneter part that wraps around a heater tube or body. The Heater Flange Split Nut mounts to the heater tube using 2 screws to...

Note: Before You Buy This Part be sure it is correct..It would be very rare for this to be your heater nut unless you have Swim Spa with a very large 3" heater... These are found in some smaller hot tubs but is very rare. Watch the video and Check the...

This par is a Set of (2) 2 1/2" Heater Nut Kit which includes the nut, split retainer and a Waterway Style gasket for use with a 2 1/2" Waterway Heater Union. Note: You need to measure your T gasket bead part that fits into the groove to be sure...

This part is a Set of (2) 2 1/2" Therm Style Pump or Heater Union Gasket Only for use with a 2 1/2" Heater or Pump Union. If your heater or Pump is 2 1/2" this part could be correct we offer (2) different sizes of 2 1/2" gaskets so you need to...

This part is a 2 1/2" Thread X 1" 90 Degree Barb Heater Union with Gasket that matches Union.   The Union receives a 1" ID pipe on the barb side and then Screws to a 2 1/2'" Heater Flange using a 2 1/2" Nut on the heater side...

This item is a 2 1/2"" Heater Union Tailpiece with a Gasket that is used on may heater tubs that measure about 3" inside diameter of the tube.. It also has a 90 degree 1" Barb fitting.. If you need a gasket for this union click this link.. 2 1/2"...

This part is a 2 1/2" Thread X 1" 90 Degree Barb Heater Union. The Union receives a 1" ID pipe on the barb side and then Screws to a 2 1/2'" Heater Flange using a 2 1/2" Nut on the heater side. This part is used on Heaters that are...