Unions, Heater

You are buying a 2 1/2" Thread X 2" Slip Heater Union with Gasket that matches Union. The Union receives a 2" pipe or fitting on the glue side and then Screws to a 2 1/2'" Heater Flange using a 2 1/2" Nut on the heater side...

This part has been discontinued by it's manufacturer.. You are buying a 2 1/2" Thread X 1 1/2" Slip Heater Union with Gasket that matches Union. The Union receives a 1 1/2" pipe or fitting on the glue side and then Screws to a 2...

You are buying a 1 1/2" Threaded X 1" Slip Heater Union with Gasket or O-Ring that matches Union. The Union recieves a 1" pipe or fitting on one side that measures 1 1/4" Outside Diameter and then Screws to a 1 1/2"...

This part is a Set of (2) 2 1/2" Pump or Heater Union Gasket Only for use with a 2 1/2" Pump Union that meausres about 3 5/8" inside the threads. This gasket measures 3 1/4" O.D. x 2 3/8" I.D. and the lip is 2 7/8" center to center.  This...

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...

  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...

  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...

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 aSet of (2) 1 1/2" Spigot X 1 1/2" Slip Slice Gate Valves and (2) 1 1/2 X 2" Heater Unions with Gasket. The Valve receives a 1 1/2" pipe or fitting on one side that would measure about 1 7/8" OD and then slips...

This part is a 1 1/2" Spigot X 1 1/2" Slip Slice gate Valve and 1 1/2 X 2" Heater Union with Gasket or Oring that matches Union. The Valve receives a 1 1/2" pipe or fitting on one side and then slips inside of a 1...

This kit is a Set of (2) 1 1/2" Spigot X 1 1/2" Slip Slice Gate Valves and (2) 1 1/2" Heater Unions with Gasket or Oring that matches the Unions. The Valve recieves a 1 1/2" pipe or fitting on one side and then slips...

This part is a 1 1/2" Spigot X 1 1/2" Slip Slice Gate Valve and 1 1/2" Heater Union with Gasket or O-Ring that matches the Union. The Valve receives a 1 1/2" pipe or fitting on one side and then slips inside of a 1 1/2"...