Quote:
Originally Posted by jeff5may
Congratulations on a job well done by yourself! This is the time of year (swing season) that these units perform at top efficiency. My central unit hasn't run since the last time it was above 90. OTOH, my home-brewed, repurposed, recycled beige box window unit has been running like a dishwasher, saving money over the central air and energy and money over the gas furnace.
I too had a knock-off gauge set, and experienced the same types of problems. I had pinhole vacuum leaks that came and went with the valve o-rings' moods. I had a line pop while I was doing a pressure test with inert gas. That was the last straw. I gave that gage set to my dad and now it hangs pretty in his garage. I have since replaced the manifold set with a robinair unit, which works like magic. They and yellow jacket have lifetime warranties on their stuff, so if you buy 'em new you can get free repair kits or replacement shwag for free for life. More importantly, the counter guy at the refrigeration supply shop will remember you when you return.
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Thanks.
I was going to buy a yellow jacket set and got these knockoff ones that came with 410 adapters. (bad place to save money!)
So you were able to use your good gauge set to do the vacuum test and get it down under 200 Microns without it leaking?
If so I am going to try to send these gauges back and get a good set.