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Old 10-04-09, 09:59 PM   #11
Lex Parsimoniae
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Is this gauge any good?

Gauge 2" Vacuum Gauge 0-30"HG (0to -1 BAR) 1/8 NPT - eBay (item 180406066600 end time Oct-09-09 16:45:04 PDT)

Hey, owning a vacuum pump might be useful for other stuff too.
And, like you said, I can always sell it..

I just read the manual for the AC only unit (borrowed from work) and it
said to vacuum down the lines to 10 mmHg abs, shut off the pump,
then release some R410A into the lines (for 10 seconds), shut it off
and then do a soap bubble test on all the fittings..

That seems simple enough. Hey, that's the same as the AC/HP model too!

Did you use Ester Oil on the fittings before torquing them?

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air conditioner, diy, heat pump

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