Service Handbook - AO Smith Water Heaters
Service Handbook - AO Smith Water Heaters
Service Handbook - AO Smith Water Heaters
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Top View<br />
SECOND<br />
ANODE ROD<br />
BLOCKED<br />
INTAKE AIR<br />
SWITCH<br />
1/2 INCH<br />
SUPPLY GAS<br />
CONNECTION<br />
2 INCH PVC<br />
INTAKE AIR<br />
CONNECTION<br />
COMBUSTION<br />
BLOWER<br />
2 INCH PVC<br />
VENT CONNECTION<br />
JUNCTION<br />
BOX - 120 VAC<br />
POWER SUPPLY<br />
CONNECTIONS<br />
BLOCKED<br />
EXHAUST<br />
SWITCH<br />
BLOWER<br />
PROVER<br />
SWITCH<br />
3/4 INCH NPT<br />
WATER INLET<br />
3/4 INCH NPT<br />
WATER OUTLET<br />
WITH OUTLET<br />
ANODE ROD<br />
BURNER<br />
SIGHT GLASS<br />
CCB ENCLOSURE<br />
(central control board)<br />
TEMPERATURE<br />
PRESSURE<br />
RELIEF VALVE<br />
FRONT<br />
Figure 4<br />
Combustion Blower & Burner Assembly<br />
COMBUSTION<br />
BLOWER<br />
EXPLODED VIEW<br />
GAS VALVE<br />
VENTURI ASSEMBLY<br />
ASSEMBLED VIEW<br />
GASKET<br />
(SILICONE)<br />
BLOWER<br />
DISCHARGE<br />
ORIFICE<br />
BURNER SIGHT<br />
GLASS AND<br />
WIRING HARNESS<br />
COVER PLATE<br />
FLAME<br />
SENSOR<br />
GASKET<br />
GASKET (SILICONE)<br />
BURNER SIGHT GLASS<br />
GASKET (FIBER)<br />
BURNER<br />
ADAPTER<br />
GASKET (FIBER)<br />
INTAKE AIR<br />
ELBOW<br />
GASKET<br />
(FIBER)<br />
IGNITER<br />
BURNER<br />
BURNER FLANGE<br />
(FLOATING FLANGE)<br />
BURNER ADAPTER<br />
WIRING HARNESS.<br />
IGNITER/FLAME<br />
SENSOR<br />
Figure 5<br />
Servicing should only be performed by a Qualified <strong>Service</strong> Agent<br />
9
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