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20-04-2013, 01:33 AM #1
5/16 liquid line left in place instead of replacing with 3/8
Hello all, I'm a homeowner who just had installed a Rheem model 13AJN 13 SEER condensing unit and evap coil.
Here's the issue- our contract says he would replace the liquid line with a new 3/8 inch run. When I got home I noticed my original 5/16 run was still in place, he just soldered onto the 3/8 at both coils. BTW- the run is approx 25 feet.
I called him on this. He said he checked the pressure and it was fine. I figured it was ok. But I wanted to check this with some experts to confirm.
Do you guys think this is appropriate? Or was a short-cut taken?
Further more- if he didn't replace it, aren't I entitled to some reimbursement?
I care less about the money than having the job done right. The lines to both coils are 3/8, so it would seem that the system is engineered for a 3/8 liquid line, right?
Thanks in advance for any clarity you can provide.
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20-04-2013, 04:16 PM #2
Re: 5/16 liquid line left in place instead of replacing with 3/8
http://www.manualowl.com/swfviewer/v...lsVisible=true
page 24 mentions liq line size dependant on length of run and whether outdoor is above or below the indoor
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20-04-2013, 06:34 PM #3
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20-04-2013, 06:41 PM #4
Re: 5/16 liquid line left in place instead of replacing with 3/8
Install Monkey- attached is the relevant section you suggested. I hi-lited what I think is applies to me- but I'm not sure how to interpret it. Any thoughts?
line size.jpg
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20-04-2013, 06:52 PM #5
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20-04-2013, 07:18 PM #6
Re: 5/16 liquid line left in place instead of replacing with 3/8
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20-04-2013, 07:35 PM #7
Re: 5/16 liquid line left in place instead of replacing with 3/8
not much labour on running the pipe, uk cost for a 15 m coil of 3/8 pipe £17 and if majority of the pipework is outside or in a loft area then its a quick job, few hrs labour for pumping down the system running a new line,pressure test,vac and reinstate system.
worth a try for compensation