BACOENG Vacuum Pump & Manifold Gauge Set - HVAC A/C Refrigeration Kit - Diagnostic R12 R22 R134a R410A - w/Case
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No synthetics are used; instead, premium oil is used.
unknown, but they're usually from the same manufacturer with only minor differences in exterior color or trim.
There is no need to remove the valve core because the adapter allows you to create and maintain a vacuum on your newly connected lines to ensure airtightness. tenseness br>Once you're happy with your work, use the allen wrench that came with your system to release the refrigerant charge. Then unscrew your hose fittings QUICKLY QUICKLY and sit back and admire your work.
Selected User Reviews For BACOENG Vacuum Pump & Manifold Gauge Set - HVAC A/C Refrigeration Kit - Diagnostic R12 R22 R134a R410A - w/Case
I bought a 23-year-old house with two original heating and cooling systems, but I couldn't be there for every inspection because I lived 800 miles away. My home inspector recommended that I have the systems inspected; both worked, so why not for $100? The inspection report stated that everything was in good working order, but that they needed to be serviced and cleaned, which I assumed I could do myself. Well, one of the systems leaked all of the freon a week after I moved in, so I called the company that did the inspection, and they said it appears to be a faulty Schrader valve, so they can replace it and refill the system with freon, and if that doesn't work, they would recommend a full system replacement because the system is so old. The A/C stopped working three days later, but since it was fall, I decided to put it off until spring, especially since I was getting quotes ranging from $6000 to $13,000. br>br>After a while, I thought to myself, "Wow, the timing of a system failing right when I move in seems awfully funny. " It was on for 23 years, so my luck can't be that bad. So I went out and bought this set as well as a micron gauge, vacuumed the system down to 750 microns, and waited. There were no leaks after an hour. As I'm removing the hoses, I hear hissing on the suction line, which turns out to be the Schrader valve that was supposed to be replaced. There was no longer any leak after I tightened it up. Has the system been recharged and is now blowing cold?.
15 minutes with the Pioneer 18,000 BTU mini-air conditioner We had A/C for the first time after the split! This vacuum pump kit has a lot of high-quality accessories, and I'm very impressed with it. We saved $400 on contractor labor thanks to this kit, and I still have two more Pioneers to install. One use was enough to cover the cost of the entire project!.
I needed to create a vacuum for a system I had installed at my home - The lowest bid for this was $700 from the HVAC contractors I contacted (7 in total). This vacuum and gauge set was very appealing at $140, but there were some reservations about how quickly it would draw down and whether it would burn up while fully evacuating. It took a few minutes for the vacuum to build up - Prior to leak testing, I ran for 15 minutes. The machine was then run for an hour to completely remove any moisture. The pump is in working order. The high side line on the gauge set didn't fully depress the schrader valve, restricting flow and preventing accurate measurement. Re- The first time I sat it, I sat it twice more, and the second time I sat it again Everything in the seat was in place and reading as it should have been. In case you're wondering, my vacuum-pulling experience comes from DO-IT-YOURSELF. I had no qualms about doing my own 160 section 5 testing.
It took some coaxing and patience to get the pump to run at full capacity. I simply opened it until it arrived, then connected my hose to it. The gage set performed admirably, and it came with all of the necessary adapters to make it work with my system. So far, I've used it to install two mini split systems. In total, there are five zones.
I gave it five stars because I used it for several hours and it was effective for my needs. split. I'm not sure how it stacks up against the competition. I was able to pull down to 130 microns using standard vacuum gauge tubing with 1/4" connectors and a micron meter connected to the pump. I'm not sure if it would have been lower if I had used a vacuum-rated thicker tube. It, however, worked. Also included is a roomy, attractive carrying case that is ideal for use as a portable mini-computer. work bag that is divided Other tools and parts, such as a vacuum gauge set and hoses, valve stem removal tubes, adapters, and other miscellaneous items, have enough room and purposeful space to be stored. br>br>In order to get a strong vacuum, I had to change the oil frequently. It's not the pump's fault; all pumps will pull in air, nitrogren, moisture, or whatever from the line set during evacuation, which in my case manifested as super tiny bubbles (1/64" dia or smaller?). After a while, the vacuum weakens at the top of the oil in the oil level window, and the vacuum is weaker. There aren't many bubbles, but if you see them, it means that some gas has dissolved or mixed with the oil, lowering the pump's efficiency. The improvement is immediate after changing the oil. That is simply a well-known fact in the industry. br>br>After a long period of use, the pump does become warm (but not hot). However, it does not appear to be harmful.
So this appeared to be a fantastic deal at first. I put in a mini split (the first one was: ( ). I connected the gauges, started the pump (first filling it with oil), and turned it on. Everything went smoothly; the machine quickly dropped to vacuum (which was my first mistake; it should have taken a little longer to reach full vacuum), ran for 30 minutes, then turned off and set for another 30 minutes. I thought everything was fine because I kept the vacuum running. I had a nagging feeling that I should try it again, but I didn't want to be paranoid. Keep the gauges on and slowly open the Mini Split's valves to let the R410A out. The needle on the gauge remained stationary! I thought to myself, "Hell, the thing doesn't even have refrigerant!" So I thought to myself, "Wait, I heard a teeny-tiny noise when I opened the refrigerant valves, so there must be something in it. " When I removed the gauges, there was no sound. So, just to be sure, I used the other adapter that came with the kit, and wow, the gauges returned to normal. To cut a long story short (and partly due to the fact that this was my first time working on a Mini Split), I thought I vacuumed the system before releasing the refrigerant, but I only vacuumed the gauge lines! I freaked out and called an AC guy, who assured me that it would be fine because I only ran for 10 feet. I was extremely fortunate in that when I turned on the system, it immediately became cold. Everything has now been restored. I would have needed an AC guy to vacuum the system and add more 410 if I had had a longer run of the lineset. If it's okay in the long run, only time will tell. To sum it up, the pump appears to be in good working order, but the fittings are cheap and shoddy. Because of the positive reviews, I decided to buy it. Is it possible that I was given a lemon? I'm thinking about doing some research on a return.
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