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Water Pressure Adjustment Port Orange
Call Us: 727-228-3350

The intention of this Service Video is to demonstrate the proper method to adjust the manifold pressure.
Use for FrostFighter IDF and OHV LPNG Fired units.

00:23 Step 1: Remove the control box cover by unscrewing the five fasteners along its edge by the burner housing. See Figure 1 for the control box cover.

01:20 Step 2: Locate the manifold plug on one of the manifold elbows.

01:28 Step 3: With the main gas supply valve off, remove the 1/8NPT plug and install a manometer or pressure gauge capable of measuring Inches of Water Column. See Figure 2 for 1/8 NPT plug.

01:58 Step 4: Attach the gas supply line to the unit and open the main gas valve.

02:20 Step 5: Locate the manifold pressure regulator.

02:27 Step 6: Remove the regulator top cap and adjust the regulator pressure by turning the screw inside.
NOTE: Refer to the manual for proper manifold pressure settings for your unit.
ALTITUDE: No adjustments are required below 2500ft. As you increase in altitude beyond 2500, decrease the gas pressure with the procedure above. Using a combustion analyzer, ensure the CO does not exceed 50ppm.

02:54 Step 7: Once an acceptable pressure has been set, replace cap and uninstall pressure gauge.

03:36 Step 8: Replace control box cover and fasten in place.

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