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SpaShopper makes it easy to find quality hot tub and spa replacement parts without the frustration. From spa pumps and heaters to control boards, jets, filters, and plumbing components, we stock parts that fit a wide range of popular spa brands. Whether you’re fixing a heating issue, replacing a worn pump, or upgrading aging components, SpaShopper helps you get your spa running again quickly and confidently.

1 1/2", Gasket, Heater or Pump, Union, with 1 7/8" Groove How to Video, 1-1/2"

SpaShopper

MSRP: $7.95
$4.95
(You save $3.00 )
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SKU:
SPNRMG-02-651G
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NOTE: This gasket does not fit your Coleman SALUSPA DO NOT order it.. Click this link to see Saluspa Gaskets.. Saluspa
This part is a Standard 1 1/2" Heater or Pump Union Gasket.
The gasket is 2 3/8" across and fits unions that have a 1 7/8" Center to Center Groove.
If you order this gasket and the ridge doesn't fit you union you can trim the ridge off and use it as a flat gasket.
Part Type Gasket
Inside Diameter 1-9/16"id
Outside Diameter 2-5/16"od
This part is used in hot tubs between a heater union and the heater or Pump.
This version is the second most popular version. 2" x 2" is the most popular and 2" X  2 1/2" is 3rd most popular. 
NOTE: This will not fit most pump unions as they require an O-Ring that is about 2 1/8" center to center. 90-423-1002,44-02319 , 610873 , 711-4050 , 7114050 , 806105124616 , 9175-41