The water heater covered in this Service Manual is rated at 100,000 Btu/hr input. It is certified for elevations up to 10,100 feet (3079 meters)…
Category: A.O. Smith
The outlet of the gas valve is connected by flange directly to the side of the Venturi (page 14). There is no manifold gas line…
A Venturi is connected to the inlet of the blower. All combustion air flows through the Venturi. The outlet of the 24 VAC gas valve…
The burner should be removed and inspected whenever service is being performed for rough operation or ignition failure. Radial fire burners like the one used…
The blower is an assembly consisting of the blower housing, motor and an integrated VFD (variable frequency drive). Blower operation is controlled by the CCB…
This section of the Service Manual will cover operation, common service procedures and water heater construction. The water heater covered in this Service Manual has…
Procedure for cleaning the fan, burner, Flame Sensor and AFR, as used by all Service Representatives. 1)TOOLS ? Gather the following materials together: a. Degreaser…
1)TOOLS ? Gather the following materials together: a. Sheet of 100 Grit Sandpaper b. #2 Philips Screw Driver c. Flashlight 2)POWER ? Disconnect power to…
1) Locate the white OHCF which wraps around the heat exchanger. 2) Find the white clip at the end of the two blue braided wires…
1) Verify that there is no water flowing through the unit. 2) If a temperature remote controller has been installed, turn the power off to…