Originally Posted By: jonofrey
This post was automatically imported from our archived forum.
this looks normal due to condensation, etc…
This is an evap coil in a condo and the differential was 18 degrees (sorry snowbirds, we can still sometimes measure that down here this time of year).
I don't see enough of the guts of evap coils to know if this is normal or something to be concerned about.
We're NACHI. Get over it.