Marvair AVPA36AC
Marvair MGA3090
Unit depthUnit depthSupply AirReturn AirSupply AirReturn Air28"8"28"14"43"16"43"22"41.87"50.5"70.59"93.625"17.13"46.063"1.88"1.063"17.93"26"28.78"28.562"Supply AirReturn AirSupply AirReturn Air
MISMATCH

These units don’t appear to have much in common. If you’re replacing one with the other, you’ll need to make some modifications to wall, unit or something in between with a plate or adapter curb.

Match Marvair AVPA36AC Marvair MGA3090 Difference
Distance from Return to bottom28.78"28.562"-0.218"
Mismatch Marvair AVPA36AC Marvair MGA3090 Difference
Unit width41.87"50.5"+8.63"
Unit height70.59"93.625"+23.035"
Unit depth17.13"46.063"+28.933"
Unit weight420 lbs1160 lbs+740 lbs
Supply Air28" x 8"43" x 16"+15" x +8"
Return Air28" x 14"43" x 22"+15" x +8"
Distance from the top to Supply1.88"1.063"-0.817"
Distance between Supply and Return17.93"26"+8.07"