Description
This is a Pair of 1 1/2" Slip (measuring approximately 1 7/8") X 1 1/2" Threaded Side (measuring approximately 2 3/8" OD) Heater Unions Complete with Gaskets. Each union accepts a 1 1/2" pipe or fitting on the slip end while threading onto a 1 1/2" Heater Flange Split Nut on the opposite end. The slip side bonds to 1 1/2" pipe with adhesive, and the threaded side connects to a 1 1/2" Heater Flange fitting. Please note: Global also carries alternative configurations including 1 1/2" Slip X 2" Heater unions and 2" Slip X 2" Heater unions for different applications.
Verify compatibility: This union set is designed for systems where both your plumbing and heater connections are 1 1/2" specifications.
Commonly installed in 115V plug-in hot tub systems.
This configuration ranks as the 2nd most common size, though still considered specialty. The 2" x 2" version is most frequently used, while the 1 1/2" X 2" ranks 3rd in popularity.