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Re: Use of sight glass w/R134a
Posted to HVAC Forum on 7/6/2010 2 Replies

Dean: Try it and see. When you charge the next system, start it up before it is completely charged and measure the evaportor inlet/TXV outlet and compare it to the evaporator outlet. A quick but crude way is to hand feel them.

Compare the temps again after i... Login to read more.

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