Unions, Heater

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 1 1/2" Threaded Heater Union with Gasket which measures about 2 3/8" across the threaded side X 1 1/2" Slip which measures about 1 7/8" ID . The Union receives a 1 1/2" pipe or fitting on one side which...

This part is a1 1/2" Slip which measures about 1 7/8" ID X 2" which measures about 3" OD on the threads Heater Union with Gasket. The Union receives a 1 1/2" pipe or fitting on one side and then Screws to a 2" Heater...

You are buying on a 2" Slip which measures about 2 3/8" ID X 2" which measures about 3" OD Heater Union with Gasket. The Union receives a 2" pipe or fitting on one side that measures about 2 3/8" Outside Diameter and...

This part is a 2" which measures about 3" ID Heater Split Nut Kit which includes the split nut , (2) Screws and a gasket for use with a 2" Heater Union that would measure about 3" Edge to Edge on the threaded side. The Heater Flange Split Nut mounts to...

This part is a1 1/2" Heater Split Nut Kit which includes the split nut , (2) Screws and a gasket for use with a 1 1/2" Heater Union that measures about 2 3/8" OD.. The Heater Flange Split Nut mounts to the heater tube using 2 screws to hold it in...

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 Pump Union 2" Slip x 2" Female Thread with a 90 degree Sweep. The Threaded side Measures 3" Across Threads Inside Diameter and the slip side measures about 2 3/8" Inside Diameter.. Half Union Fitting Complete Complete Half Union, 90...

For a video about this part search YouTube for: Hot Tub Spa Parts Heater Union 2" X 1 1/2" Slip Information The Hot Tub Professor   You are buying a 1 1/2" Slip X 2" Heater Union Only...

This part is a 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 verify your...

You are buying a 1 1/2" Heater Split Nut Only which includes the split nut and (2) Screws for use with a 1 1/2" Heater Union that would measure about 2 3/8" OD... The Heater Flange Split Nut mounts to the heater tube using 2 screws to hold it in...