Unions, Heater

This kit is used to convert the plumbing on some Dr. Wellness or Water's Edge Hot Tubs with a Chinese Energy Saver Control with an ET-H3000 or ET-H4000 remote heater that has the backwards unions to a more modern Control System set up.. NOTE: This is the...

Heater Union Tailpiece Kit , 1-1/2"mbt x 1-1/2"slip, w/Split Nut & Gasket. The threaded side will measure about 2 3/8" Across and the slip side will measure about 1 7/8" Inside Diameter..   Heater Union Part Type Split Nut,...

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...

This is a Flat Gasket for 2" Pump or Heater Union Extra Thick 1/4". It is a 2 7/8" Outside Diameter and 2 1/8" Inside Diameter.

You are buying on a 2" Slip X 2" Heater Union with Gasket. The Union receives a 2" pipe or fitting on one side that measures about 2 3/8" Outside Diameter and then Screws to a 2" Heater Flange Split Nut on the...

You are buying a 2" Heater Split Nut which includes the split nut and (2) Screws for use with a 2" Heater Union which would measure about 3" Edge to edge on the threads this split nut screws on. The Heater Flange Split Nut mounts to the heater tube...

This part is a 1 1/2" Pump Union Split Nut Repair Kit which includes the split nut and (2) Screws for use with a 1 1/2" Pump Union. The Pump Union Split Nut that measures about 2 7/8" on the outside and mounts to the existing Pump Union Body using 2...

This part is a Gasket Heater Union Mo-Flo, 2" ID x 2-3/4" OD Cal Spa with a 2-5/8" Center to Center Small Lip.. The Lip is about 2-5/8" Center to Center but is really thin and tiny meaning the other style gasket with a thick 2-5/8" lip will not work.. ...

This part is a 2 1/2" Pump Union Gasket Only for use with a 2 1/2" Pump Union that would measure about 3 5/8" Inside 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 version is the 4th most...