Furnace Overview - American Standard Gas Furnaces User's Information Manual

Outlet Pressure Boss Outlet Pressure Boss
Inlet Pressure let Pressure
Boss (opt.) Boss
On/Off Swi
NOTE THE LOCATION OF THE MANUAL MAIN GAS SHUT-OFF VALVE FOR YOUR FURNACE.
Have your installer or servicer show you the location if you have any questions.
UPFLOW FURNACE Manual Main Gas Shut-off Valve May Be Located on the Left or Right Side
HORIZONTAL FURNACE Manual Main Gas Shut-off Valve May Be Located on the Top or Bottom Side
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Your furnace may
have a "Knob Switch"
or a "Toggle Switch"
Regulator
Adjust Adj ust
Switch
TOP VIEW OF RIGHT SIDE PIPING
User's Information
to turn the gas
ON or OFF.
GROUND
UNION JOINT
SWITCH TOGGLES
"ON" OR "OFF"
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