ERCH Curbs - Greenheck
ERCH Curbs - Greenheck
ERCH Curbs - Greenheck
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<strong>ERCH</strong>-20, 45, 55, 90: Final Roof Curb Assembly1236or7ExhaustIntake451SupplyDischargeDuct Adapter Opening DimensionsA*AB*BLLKKSUPPLYDISCHARGESupplyDischargeEXHAUST INTAKEExhaustIntakeCC DD*JJHHGGFFEEA B C D E F G H J K L<strong>ERCH</strong>-20 51.25 32.50 25.50 3.50 4.50 13.50 16.00 12.50 4.75 15.00 11.00W/ IG HEAT 51.25 32.50 25.50 3.50 4.50 13.50 9.25 20.50 3.50 3.50 24.50<strong>ERCH</strong>-45 61.00 33.50 26.50 4.00 4.25 23.50 10.50 16.25 6.25 15.00 14.25W/ IG HEAT 61.00 33.50 26.50 4.00 4.25 23.50 3.75 24.50 4.75 5.25 24.50<strong>ERCH</strong>-55 71.25 43.50 35.50 3.75 10.00 25.50 10.75 19.25 6.50 18.00 16.50W/ IG HEAT 71.25 43.50 35.50 3.75 10.00 25.50 5.00 27.50 4.00 3.75 34.50<strong>ERCH</strong>-90 91.25 43.00 35.50 4.75 4.50 39.50 12.75 22.75 11.75 21.50 19.50W/ IG HEAT 91.25 43.00 35.50 4.75 4.50 39.50 4.25 30.50 12.50 4.50 31.50All dimensions in inches.* Measurements from outside edge of curb.#460992 IOM <strong>ERCH</strong> CurbRev. 4, October 2007Copyright © 2007 <strong>Greenheck</strong> Fan Corp.
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