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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.
© Travis Industries
Installation
(for qualified installers only)
DIFFUSER SIDE VIEW
Before (Closed - Stock)
After (Open)
Remove the diffuser.
1/4" Nutdriver
4/19/23 - 1453
PB 42 & 54 MV/GSB2/GSR2 Install
31
Bend the round portion of the
diffuser so it is flat (open).
Secure the flattened
diffuser plate with the
screws removed earlier.
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