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VERY. (good luck, ball valves, not gonna happen $$$$$$). Most drain lines down here are common to a few units, we hook a vacuum hose up to them and get as much out as possible. (most have traps and...

you didn't say if it was hor/vert or the make. So I would pull the door and poor water in the pan. then watch it flow. I have found units unlevel (even level. you have to help Lennox hor.) Also have...

X2 insulate both and try to come over the top of AH unit to make a natural trap to ensure oil return.

I agree with Carmen. that being said , I have had to do this for many years. Run the heat in the house to get a little load while you are checking out everything else. Then wrap the condenser with a...

Many questions to ask yourself. How old is unit? How long will repair take under a slight positive pressure? Location of dryer? Like Birm said if its a simple change under positive pressure, leave...

I thought oxy and nitro threads were different ie.. 1 left thread and 1 right, so they didn't get mixed or crossed up in hospital use!

You said you replaced the compressor once before , by chance did you add a trap to help get the oil back to the new compressor. also I would look at increasing your blower speed, not knowing the lay...

Is the Java the correct version?

Did you do all upgrades before installing 5.2.10? I think there were patches that needed to be done before upgrade.

I just replaced a header coil on a unit that was 10 months old. Tubes were freezing within minutes, second stage would kick in and satisfy stat. Header was soaked. Carrier has had an issue with...

I have had to have electricians move taps on the transformer after doing a electrical input mapping over a period of a couple of days. what we found was Elec comp. would jack up voltage as demand...