Specifications
19
A. O. Smith Water Products Service Handbook
Ashland City, Tennessee 2005
©
Training Department
LOCATION OF PARTS
Blocked Flue Switch
Located Behind Blower - Left
of Exhaust Vent .60± .05"W.C.
Open
Combustion Air Intake
Flue
Fasco Air
Shutter Set to
1.2" W.C. on
Back Hose
Teed Into
Rear Hose of
Blower
Prover Switch
to Set Air
Shutter
Front Hose -
Positive Press
Rear Hose -
(negative
pressure)
Blower Prover
(Differential)
Pressure Switch










