Marvair HVEA24
Marvair AVPA12 (CABINET B)
Unit depthUnit depthSupply AirReturn AirSupply AirReturn Air28"8"28"14"17"7.813"17"8.375"42.05"30.125"70.59"52"17.45"12.625"1.88"1.063"17.93"0.749"28.78"34"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 HVEA24 Marvair AVPA12 (CABINET B) Difference
Supply Air28" x 8"17" x 7.813"-11" x -0.187"
Mismatch Marvair HVEA24 Marvair AVPA12 (CABINET B) Difference
Unit width42.05"30.125"-11.925"
Unit height70.59"52"-18.59"
Unit depth17.45"12.625"-4.825"
Unit weight445 lbs194 lbs-251 lbs
Return Air28" x 14"17" x 8.375"-11" x -5.625"
Distance from the top to Supply1.88"1.063"-0.817"
Distance between Supply and Return17.93"0.749"-17.181"
Distance from Return to bottom28.78"34"+5.22"