Service manual

UHD STANDARD DUCT FURNACE INSTALLATION OPERATION AND SERVICE MANUAL
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Figure 16: Two Stage Gas Valve for Models UHD[T][X][S][R] 150 - 400
Figure 17: Modulating Gas Valve for Models UHD[M][X][S][R] 150 - 400
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
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
1/2" Exa Valve 150-250 90032550
3/4" Exa Valve 300-400 90032551