Description

Rheem RBB20X8 Damper – Rectangular Barometric Bypass (20 in. x 8) replaces .Fabricated from 20 gauge steel High-density foam gasket provides an air tight and quiet seal Bypass installation is mounted horizontally the counterbalance arm can be located on either side of the damper for added pivot clearance Counterbalance weight is easily adjusted and held securely through the use of a set screw Nylon shaft bushings ensure quiet damper travel and minimum shaft wear Accurate duct pressure is maintained throughout the distribution system regardless of varying air quantities delivered to the conditioned zones Low pressure 0.5 in. W.C. maximum pressure differential Air pressure open, gravity close 90 degree stroke/travel System compatibility: DigiTract 3, DigiTract 4