North Star 864 HH Diffuser Plate Adjustment, Installation for qualified installers only, 4070201

Models: 864 HH

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Diffuser Plate Adjustment

Installation (for qualified installers only)

25

Diffuser Plate Adjustment

Certain vent configurations require the diffuser plate to be adjusted (refer to the approved vent configuration charts for details). Position # 1 is stock (bent). Position # 2 is flattened. See the directions below to change the diffuser to position #2.

Firebox Roof

Back Wall of Firebox

DIFFUSER SIDE VIEW

Before (Stock - Position # 1)

After (Position # 2)

Remove the exhaust restrictor.

1/4" Nutdriver

1/4" Nutdriver

Remove the diffuser.

Bend the round portion of the diffuser so it is flat (position # 2)

Secure the flattened diffuser plate with the screws removed earlier.

Replace the exhaust restrictor (see “Exhaust Restrictor Adjustment” for restrictor settings).

© Travis Industries

4070201

100-01182_002

Page 25
Image 25
North Star 864 HH Diffuser Plate Adjustment, Installation for qualified installers only, Diffuser Side View, 4070201