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Low Profile – 1600-000-A Advantage Series Service Manual – Domestic
13
GAS VALVE, DUAL SAFETY - REPLACEMENT
A. Remove appropriate control box cover.
B. Remove incoming gas line.
C. Remove screws from incoming nipple mounting bracket.
D. Remove incoming nipple.
E. Remove bypass tube assy.
F. Disconnect pipe union.
G. Disconnect wiring from control valve (four [4] push on connectors), make
note of wire numbers and location for reinstallation.
H. Remove gas piping from old valve and install on new one.
I. Reassemble in reverse order and check system operation. Set manifold pressure on gas valve.
Pressure should be 3.5 in W.C. Nat., 10 in W.C. L.P.
NOTE: Check all gas line fittings for leaks, check and adjust manifold pressure.
FRONT VIEW
MANIFOLD ADJUSTMENT
SCREW LOCATED UNDER
COVER SCREW
TOP VIEW
PILOT
LINE
CONNECTION
MANIFOLD PRESSURE
ADJUSTMENT CONNECTION
MANIFOLD ADJUSTMENT
SCREW LOCATED UNDER
COVER SCREW
TEMPERATURE REGULATING VALVE - REPLACEMENT
A. Remove appropriate control box cover
B. Remove bypass tube assy.
C. Remove four (4) nuts from burner orifice bracket.
D. Disconnect pipe union.
E. Disconnect two (2) wires from valve and remove assembly.
F. Remove gas piping from old valve and install on new one.
G. Reassemble in reverse order and check system operation. NOTE: Check
all gas line fittings for leaks and insure valve gas flow is in proper direction .
MAIN ORIFICE - REPLACEMENT
A. Remove appropriate control box cover.
B. Remove bypass tube assembly.
C. Remove four (4) nuts from burner orifice bracket.
D. Disconnect pipe union.