Page 46
LRP14GN – Heating Components and Operation
Gas Valve
Negative Air
Pressure
Sensing Port
Positive Air
Pressure
Sensing Port
FIGURE 24. LRP14GN Gas Valve
The gas valve is factory set and does not require adjust-
ment. See the table below for pressures. The gas valve
should completely and immediately cycle o in the event
of gas or power failure. The manual shut-o knob or switch
can be used to immediately shut o gas supply.
Manifold Pressure
(non-adjustable)
2.7 - 3.1" w.c.
Gas Manifold
Gray Coupling
2
Inlet Screen
3
4
5 6
7
7
8
Part Number
Air Orifice and Gas Orifice Replacement
Gas Valve
Gas Orifice
(inside)
Manifold Pipe
FIGURE 25
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