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Alexander Roberson photo
Zimbabwe, Harare
1 Level
741 Review
55 Karma

Review on Yellow Jacket 19173 Female Couplers by Alexander Roberson

Revainrating 4 out of 5

You MUST unscrew the central part of the Schrader valve pusher!

Revain didn't list this but you MUST unscrew the center with needle nose pliers so it *requires* a Schrader valve depressor to pull a vacuum on the mini-split (underside service port with Schrader If you don't, you will think you are creating a vacuum when you are not.

Pros
  • Gorgeous Design
Cons
  • Clarity