Replacement Parts List

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A. O. Smith Replacement Parts
42
Standard Replacement Parts
300-400-500 Series 200/201 BTH/SUF/HCG
Part
Number
NEW Part
Number
Description
9004099215 100109686 Cleanout Gasket
9005797205 100110656 Cleanout Cover
9005903205 100110719 T&P Relief Valve
9003906015 100109605 Drain Valve
9006242015 100111019 Lower Temperature Probe
9008901005 100187855 Display Overlay
9008460005 100112746 Display Board (UIM)
9006541015 100111274 Communications Cable (UIM)
9008907015 100187861 CCB Board - Programmed
9008872005 100113155 Power Supply Board
9008874005 100113157 Transformer
9008904015 100187858 Blower Prover Switch
9008996015 100217965 Blocked Intake Switch
9008905015 100187859 Blocked Outlet Switch
9006245005 100111022 Variable Frequency Drive
9008906015 100187860 Upper Temperature/ECO Probe
9008936005 100187890 Powered Anode - Short
9006246005 100111023 Powered Anode - Long
9008875005 100113158 Ignition Transformer
9006256015 100111033 Low Gas Pressure Switch - Nat
9006255015 100111032 Low Gas Pressure Switch - LP
9008922005 100187876 Gas Valve Natural & LP
9008928015 100187882 Flame Sensor Rod
9008927015 100187881 Spark Igniter
9008929005 100187883 Burner
9008931015 100187885 Blower Intake Venturi
9008932005 100187886 Blower Intake Reducer Assembly
9006102215 100110901 View Port - Glass
9006103215 100110902 View Port Gasket
9008923005 100187877 Blower Assembly w/Hall Effect Sensor
Heater Parts Lists
Commercial Gas
Cyclone Mxi BTH 300/400/500
Heater Parts Lists Series 200/201