Installation
(for qualified installers only)
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© Travis Industries
4/22/21 - 1458
PB 72 MV/GSB2/GSR2 Install
Diffuser
A diffuser is built into the appliance to adjust the flow rate of exhaust gases. Depending upon the vent
configuration, you may be required to adjust the diffuser to the open position (see illustration below). The
charts for vent configurations detail the correct diffuser position.