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FIGURE 52
(+)
(−)
Gas Valve Regulator
Vent Hose
(to burner box)
2” Long Square Tubing
(remove for manifold adjustment)
Tee
10” Long
Square
Tubing
Measuring Device
Barbed Fitting
Manifold Pressure Outlet
Negative Barbed Fitting
(remove for manifold adjustment)
TABLE 16
Manifold and Supply Line Pressure 0-10,000ft.
ML196
Unit
Gas
Manifold Pressure in. wg.
Supply Line
Pressure
in. w.g.
0 - 10000 ft.
0-4500 ft. 4501-5500 ft. 5501-6500 ft. 6501 - 7500ft. 7501 - 10000ft.
All
Sizes
Natural 3.5 3.3 3.2 3.1 3.5 4.5 13.0
LP/propane 10.0 9.4 9.1 8.9 10.0 11.0 13.0
NOTE - A natural to L.P. propane gas changeover kit is necessary to convert this unit. Refer to the changeover kit installation instruction for the conversion
procedure.