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paddd 02-28-2007 01:02 PM

ac evaporator question
If you have that orifice pin in the small line on the evaporator coil do you need a thermal expansion valve as well on a central air evaporator, mine appears to only have the pin, no valve?? should I be installing one.
thank you

harleyrider 02-28-2007 03:29 PM

you have a "fixed metering device" and that is adaqute.

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