Unions, Heater

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 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...

This part is a 45° 2" Pump Union To Heater Connection Kit & Gasket. The Union glues into a 2" fitting on one side and then Screws to a 2" Wet End(Pump) Threaded Part on the other side. Then a street 45° PVC pipe runs...

You are buying a Set of (2) 2" Heater Split Nut with 2" Slip X 2" Thread Heater Union Kit which includes (2) Split Nuts , (4) Screws, (2) 2" Slip X 2" Threaded Unions and gaskets for use with a 2" Heater Union as well as (2) 2" Slip x 2" Street...

You are buying a 2" Heater Split Nut with 2" Slip X 2" Thread Heater Union Kit which includes the split nut , (2) Screws, 2" Slip X 2" Threaded Union and a gasket for use with a 2" Heater Union as well as a 2" Slip x 2" Street Slice Gate Valve. The...

This part is a Set of 2" Heater Split Nut with 2" Slip X 2" Thread Heater Union Kit which includes (2) split nuts , (4) Screws,(2) 2" Slip X 2" Threaded Unions and (2) gaskets for use with a 2" Heater Union. The Heater Flange Split Nut mounts to the...

You are buying a 2" Heater Split Nut with 2" Slip X 2" Thread Heater Union Kit which includes the split nut , (2) Screws, 2" Slip X 2" Threaded Union and a gasket for use with a 2" Heater Union. The Heater Flange Split Nut mounts to the heater tube...

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...

You are buying a 2 1/2" Thread X 2 1/2" Slip Heater Union with Gasket that matches Union. The Union receives a 2 1/2" 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...

This part is a Heater Tailpiece, 2 1/2"mbt x 2" Slip.. The threaded side measures about 3 5/8" edge to edge and the Slip side measures about 2 3/8" Inside Diameter..  For the gasket that works with this Union click this Link: 2 1/2" Spa Hot Tub...