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3.3.7.1 Manifold pressure regulator adjustment
The manifold pressure regulator controls gas input and flame height, and is pre-adjusted at the
factory. No further adjustment is required. Manifold pressure can be verified only (Figure
3).
3.3.7.2 Pilot adjustment
For proper operation, the pilot and main burner flames must be steady and not lifting off or floating.
The top 3/8" – 1/2" (10-13mm) of the thermopile should be engulfed by the pilot flame. The pilot
flame adjustment should be performed by a qualified service person only. To adjust the pilot flame,
turn the pilot adjustment screw counter-clockwise to increase and clockwise to decrease the flame.
Ensure that the pilot flame completely engulfs the thermopile (Figure 20).
Figure 20
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