Attractive light gray epoxy finish on 24-60MB.Embossed galvanized cabinet on 90-240MB.
Crank arms and linkage rod for damper connectionare furnished. Connections can be made on eitherside of mixing boxes. The balance of necessary link-age hardware, damper motor, and controls to be fieldsupplied.
Dampers can be positioned for either rear/top orrear/bottom locations.
1" duct flanges provided on damper openings.
Dampers have air seals on the edges for positiveclosing. 24-90MB have single horizontal damperblades. 120-240MB have double horizontal damperblades.
When used with water coil units, a "freezestat" mustbe installed to prevent coil damage caused by lowambient conditions.