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PRIMARY AIR ADJUSTMENT
Aeration is factory set but may need adjustment for altitude or movement during shipping. To adjust
the air shutter loosen the screw on the bottom of the valve tray and slide the shutter bolt right or left to
suit (see Figure 14). Sliding the lever to the right closes the air shutter making the flame taller and
more colorful, sliding the lever to the left opens the air shutter this brings down the flame height and
reduces flame color.
Caution: Parts requiring adjustment during operation may be hot.
Note: Burner and bottom of firebox only shown for illustration purposes.
Factory Setting
Natural Gas – closed on E & H units
Propane Gas – closed on E unit, 50% on H unit
Figure 14
Aeration adjustment is important for the correct functioning of the appliance. Carbon build up, flame
lifting or any malfunction due to improper aeration adjustment during installation is not covered under
the factory warranty.
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