Features And Components; Combustion Blower & Burner Assembly - A.O. Smith BTH 120 Service Handbook

FEATURES AND COMPONENTS

COMBUSTION BLOWER & BURNER ASSEMBLY
Combustion Blower
Blower Gasket
Flame Sensor
Ignition Cable
Air Intake Assembly
4
Gas Control Valve/
Venturi Assembly
BTH 120 - 250 Models
Spark Igniter
Flame Sensor
Burner
Venturi
Burner Plate Gasket
SS Heat Shield
SS Bolts & Washers
BTH 300 - 500 Models
Servicing should only be performed by a Qualified Service Technician
Low Gas Pressure Switch
Air Intake Assembly
Spark Igniter Ground Wire
Spark Igniter
Spark Igniter Gasket
Blower Adapter
Burner Gasket
Burner
Sight Glass
Sight Glass Gasket
Burner Plate
Burner Plate Gasket
(150-250 Models Only)
SS Heat Shield
(150-250 Models Only)
Flue Ring Gasket
Ignition Cable
Spark Igniter Gasket
Combustion Blower
Pyrolite Insulation Disk
Insulation Spacers
Blower Gasket
Sight Glass
Sight Glass Gasket
Burner Plate