Review on Convenient Valve Core Remover Tool for HVAC R22 R32 R404 R407 R410A - No Gas Loss ensured by Dual Size SAE 1/4 & 5/16 Port - Valve Core Removal Installer Tool by John Benjamin
Poor Quality: Air Conditioning Line Repair Tools
Could not withstand high pressure side (r410a). About the fifth time I used it, the entire case ejected under pressure with the knurled spade terminal still screwed into the service port - it looks like the part with the metal ring in the recess didn't hold up to the pressure. I could also see the shredded rubber O-ring in the case after I found it - it flew over ten feet - lucky I didn't get in its way.
- ★ GOOD CONSTRUCTION: Solid brass tool has a ball valve that opens and closes with just a quarter turn instead of the slower stem valve. (no gas loss)
- Frequency
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