Yellow Jacket 41337 Hi-side x 1/4" Male fl

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Yellow Jacket R134a Couplers 41337 & 41338

5.0

The Yellow Jacket 41337 and 41338 R134a Couplers worked perfectly. The manual feature allows you to safely install the coupler under no pressure before opening the Shrader valve. I was able to pull a full vacuum and hold it before charging the system with R134a. The old automatic couplers I had would leak and could not hold the vacuum. These couplers are expensive but worth every penny.

Verified Purchase Donald on May 27, 2021 I found this helpful (0)