14
Installation (for qualified installers only)
© Travis Industries
4151204
100-01430
Vent Restrictor
WARNING: Restrictor adjustment should only be done by a qualified installer.
Most installations do not require vent restrictor adjustment. Only those installations determined to be
over-drafting require adjustment. The best indication of over-drafting is a hyper-active flame pattern
(flames move too quickly). This is most common in tall vent configurations. Over-drafting may affect the
pilot, but this is not the best way to determine over-drafting.
More importantly,
do not over-restrict the insert
. This leads to ghosting or lifting flames, a very
unstable condition for both the burner and pilot. Reduce the restrictor setting if this occurs.
If restrictor adjustment is required, make sure to make the adjustment one step at a time. Wait a
minimum of 5 minutes after burner ignition to monitor flame quality.
Restrictor Adjustment
To access the restrictor, remove the baffle at the top of the firebox. Loosen the 4 screws holding it in
place, then slide it forward and down to remove.
The restrictor is adjusted by loosening the two screws holding it in place. Slide the restrictor until the
correct notch falls over the screws and re-tighten. Replace the baffle.
Loosen the 2 screws on the exhaust restrictor. Slide
the restrictor to the correct restrictor position then
tighten the screws to secure the restrictor. In this
illustration, the restrictor in position 2.
Position # 1
Firebox Roof
Position # 2 (stock)
Position # 3
Position # 4
Position # 5
1/4" Nutdriver
Restrictor
Baffle
Summary of Contents for Radiant Plus Small Insert
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