Service manual

SECTION 11: OPERATION AND MAINTENANCE
31 of 59
Figure 13: Single Stage Gas Valve for Models UHA[X][S] 150 - 400
Figure 14: Two Stage Gas Valve for Models UHA[T][X][S] 150 - 400
½PSI IN
C
ON
OFF
Regulator
Outlet
Pressure
Gas Inlet
IltP
TOP VIEW
END VIEW
Description Part Number
Gas Valve 150 - 250 NG 90032505
Gas Valve 150 - 250 LP 90032506
Gas Valve 300 - 400 NG 90032520
Gas Valve 300 - 400 LP 90032521
½PSI IN
C
ON
OFF
LO
HI
Regulator
Outlet
Pressure
Gas Inlet
Inlet Pressure
TOP VIEW
END VIEW
Description Part Number
Gas Valve 150 - 250 NG 90032530
Gas Valve 150 - 250 LP 90032531
Gas Valve 300 - 400 NG 90032532
Gas Valve 300 - 400 LP 90032533