🔧 ERGAOBOY AC R410A Valve Core Removal and Installation Tool | Dual SAE 1/4" and 5/16" Port Sizes | Air Conditioner Repair Tool for R22 R32 R134A HVAC System Review

This tool kit works great! They are non-slip and the main tool is solid brass. They are durable and very well made. They also make it easier to remove the valve cores. I had no problems with this kit. I would buy again.

I think I must have missed the part that was only for AC fridge freezer type systems. On one of my trips I had a leak in the core needed something like a low pressure quick release to make it work for me. It will just be one of those tools that I will pass down to my kids when I die as I doubt I will ever need to use it unless I install a mini split which is required for this type of service. I would recommend using gloves as I expect to end up trapping a small amount of freon as you unscrew…

It takes a bit of skill to use properly. First, do not attempt to switch the high pressure side while the compressor is running. If you want to make it easier on yourself, close the valve on the high-pressure line and let the compressor reduce the pressure in the lines to almost zero. Vacuum - it will be very difficult for you if you have a vacuum. Less than 20psi is good. There is a groove at the end of the piston and there is some toughness inside that holds the valve stem in place when it is

I've always wondered if there's a way to replace Schrader cooling valves without draining all freon from cooling systems. The ERGAOBOY AC R410A valve core removal and installation tool gets the job done without wasting refrigerant. If you see oil residue around the refrigerant valve caps, it may very well mean that the valve under that cap is leaking. *WARNING* Before proceeding, ensure that the engine is not running and that you are wearing safety goggles. Please note that I have included…