A.O. Smith BFC 100 spare parts

In brief

Instalpunt supplies 38 original parts for the A.O. Smith BFC 100, including fans, sensors, temperature sensors and NTC sensors. Order online.

38Spare parts
19In stock
€27.18From
19Types
availableExploded view

Looking for parts for the A.O. Smith BFC 100 (hot water cylinder)? Below are all 38 original parts, grouped by part type, with the matching exploded view. Choose a type to jump straight to the right table.

View the interactive exploded view →

Quick left to the right part for the A.O. Smith BFC 100

Part	From	Delivery
Fan A.O. Smith fan BFC 80-120	€1,318.67	In-stock items usually arrive within 3–5 working days, made-to-order items within 5–7 working days (a longer lead time is shown on the product page).
Ignition part A.O. Smith ionisation pin after September 2009	€45.71	In-stock items usually arrive within 3–5 working days, made-to-order items within 5–7 working days (a longer lead time is shown on the product page).
Temperature sensor A.O. Smith sensor top 4 pins	€75.87	In-stock items usually arrive within 3–5 working days, made-to-order items within 5–7 working days (a longer lead time is shown on the product page).

Prices incl. VAT, taken directly from our checkout. Below is the complete parts list for this model.

Installer or self-employed engineer? Create a business account: prices excl. VAT and invoices in your company name.

Fans for the A.O. Smith BFC 100 (2) all A.O. Smith fans →

Part	Item no. / mfr. no.	Price	Stock
A.O. Smith fan BFC 80-120	8750608 Mfr. no. 0309119(S)	€1,318.67	In stock	View & order
A.O. Smith fan AFTER 4-2007 BFC 80/100	8750405 Mfr. no. 0197322(S)	€484.59	Made-to-order item	View & order

Sensors for the A.O. Smith BFC 100 (4) all A.O. Smith sensors →

Part	Item no. / mfr. no.	Price	Stock
A.O. Smith temperature sensor for e.g. BFC 60 (up to 09-2009) 0304005(S)	8750363 Mfr. no. 0304005(S)	€61.31	In stock	View & order
A.O. Smith sensor bottom tank	8750526 Mfr. no. 0308149(S)	€100.83	In stock	View & order
A.O. Smith temperature sensor for e.g. BFC 60 (up to 09-2009) 0304004(S)	8750365 Mfr. no. 0304004(S)	€66.51	Made-to-order item	View & order
A.O. Smith dummy sensor	8750370 Mfr. no. 0304301(S)	€54.03	Made-to-order item	View & order

Temperature sensors and NTC sensors for the A.O. Smith BFC 100 (1)

Part	Item no. / mfr. no.	Price	Stock
A.O. Smith sensor top 4 pins	8750116 Mfr. no. 0304469(S)	€75.87	In stock	View & order

Pressure switches and differential pressure switches for the A.O. Smith BFC 100 (1) all A.O. Smith pressure switches and differential pressure switches →

Part	Item no. / mfr. no.	Price	Stock
A.O. Smith air pressure switch 210Pa after 09/2015	8750446 Mfr. no. 0309331(S)	€115.39	In stock	View & order

Gas valves and gas control for the A.O. Smith BFC 100 (1) all A.O. Smith gas valves and gas control →

Part	Item no. / mfr. no.	Price	Stock
A.O. Smith gas valve (BFC 80/100/120 up to 2009)	8750367 Mfr. no. 0306189(S)	€296.35	Made-to-order item	View & order

PCBs and controls for the A.O. Smith BFC 100 (2) all A.O. Smith PCBs and controls →

Part	Item no. / mfr. no.	Price	Stock
A.O. Smith thermocontrol BFC/SGE/SGS	8750547 Mfr. no. 0309362(S)	€2,042.51	Made-to-order item	View & order
A.O. Smith frequency controller	8750357 Mfr. no. 0305805(S)	€702.99	Made-to-order item	View & order

Ignition and ionisation for the A.O. Smith BFC 100 (2) all A.O. Smith ignition and ionisation →

Part	Item no. / mfr. no.	Price	Stock
A.O. Smith ionisation pin after September 2009	8750062 Mfr. no. 0310075(S)	€45.71	In stock	View & order
A.O. Smith ionisation pin AFTER 4/2007 BFC80/100	8750447 Mfr. no. 0194776002(S)	€60.27	In stock	View & order

Siphons and condensate drains for the A.O. Smith BFC 100 (1)

Part	Item no. / mfr. no.	Price	Stock
A.O. Smith siphon	8750366 Mfr. no. 0306181(S)	€167.39	In stock	View & order

Burners for the A.O. Smith BFC 100 (1) all A.O. Smith burners →

Part	Item no. / mfr. no.	Price	Stock
A.O. Smith burner for e.g. BFC 100 (after 09-2009) 0309125(S)	8750889 Mfr. no. 0309125(S)	€832.99	Made-to-order item	View & order

Displays and controls for the A.O. Smith BFC 100 (1) all A.O. Smith displays and controls →

Part	Item no. / mfr. no.	Price	Stock
A.O. Smith control set BFC	8750913 Mfr. no. 0308582(S)	€1,933.31	Made-to-order item	View & order

Filters for the A.O. Smith BFC 100 (1)

Part	Item no. / mfr. no.	Price	Stock
A.O. Smith EMC filter for BFC 100 0305806(S)	8750884 Mfr. no. 0305806(S)	€774.75	Made-to-order item	View & order

Valves for the A.O. Smith BFC 100 (1) all A.O. Smith valves →

Part	Item no. / mfr. no.	Price	Stock
A.O. Smith drain cock for e.g. BFC 60 (up to 09-2009) 0026273004(S)	8750364 Mfr. no. 0026273004(S)	€39.47	In stock	View & order

Anodes for the A.O. Smith BFC 100 (3) all A.O. Smith anodes →

Part	Item no. / mfr. no.	Price	Stock
A.O. Smith anode for e.g. BFC 120 (up to 09-2009) 0302757(S)	8750361 Mfr. no. 0302757(S)	€285.95	In stock	View & order
A.O. Smith Power anode BFC for e.g. BFC 50N 0197709(S)	8750579 Mfr. no. 0197709(S)	€100.83	In stock	View & order
A.O. Smith power anode BFC for e.g. BFC 50N 0197710(S)	8750580 Mfr. no. 0197710(S)	€248.51	In stock	View & order

Conversion kits for the A.O. Smith BFC 100 (1) all A.O. Smith conversion kits →

Part	Item no. / mfr. no.	Price	Stock
A.O. Smith conversion kit to LP BFC 100	8750792 Mfr. no. 0306809(S)	€121.63	Made-to-order item	View & order

Cables and wiring harnesses for the A.O. Smith BFC 100 (1) all A.O. Smith cables and wiring harnesses →

Part	Item no. / mfr. no.	Price	Stock
A.O. Smith wiring harness for e.g. BFC 50N 0309136(S)	8750581 Mfr. no. 0309136(S)	€237.07	Made-to-order item	View & order

Gaskets and seals for the A.O. Smith BFC 100 (3) all A.O. Smith gaskets and seals →

Part	Item no. / mfr. no.	Price	Stock
A.O. Smith gasket burner/tank BFC 80-100 AFTER 4-2007	8750570 Mfr. no. 0308266(S)	€51.95	In stock	View & order
A.O. Smith gasket burner/heat exchanger	8750594 Mfr. no. 0309609(S)	€143.47	In stock	View & order
A.O. Smith gasket fan/burner	8750518 Mfr. no. 0308202(S)	€42.59	In stock	View & order

Pipes, tubes and hoses for the A.O. Smith BFC 100 (4) all A.O. Smith pipes, tubes and hoses →

Part	Item no. / mfr. no.	Price	Stock
A.O. Smith bend r	8750408 Mfr. no. 0304029(S)	€82.11	In stock	View & order
A.O. Smith extension nipple 1.1/2" R X Npt	8750784 Mfr. no. 0070615(S)	€101.87	Made-to-order item	View & order
A.O. Smith air inlet connection pipe	8750785 Mfr. no. 0309129(S)	€102.91	Made-to-order item	View & order
A.O. Smith air hose	8750558 Mfr. no. 0305504(S)	€56.11	Made-to-order item	View & order

Casing and panels for the A.O. Smith BFC 100 (1) all A.O. Smith casing and panels →

Part	Item no. / mfr. no.	Price	Stock
A.O. Smith cleaning opening cover	8750711 Mfr. no. 0039137002/24(S)	€44.67	Made-to-order item	View & order

Fixing material for the A.O. Smith BFC 100 (1) all A.O. Smith fixing material →

Part	Item no. / mfr. no.	Price	Stock
A.O. Smith clamping band BFC 30 to 120 flue gas	8750304 Mfr. no. 0304199(S)	€48.83	Made-to-order item	View & order

Other parts for the A.O. Smith BFC 100 (6)

Part	Item no. / mfr. no.	Price	Stock
A.O. Smith clean-out service set / cleaning opening	8750259 Mfr. no. 0305082(S)	€41.55	In stock	View & order
A.O. Smith hot surface igniter	8750523 Mfr. no. 0309232(S)	€272.43	In stock	View & order
A.O. Smith potentiostat for e.g. BFC 50N 0306160(S)	8750023 Mfr. no. 0306160(S)	€178.83	In stock	View & order
A.O. Smith mains choke	8750840 Mfr. no. 0306690(S)	€403.47	Made-to-order item	View & order
A.O. Smith Y-piece silencer	8750905 Mfr. no. 0304683(S)	€1,476.75	Made-to-order item	View & order
A.O. Smith reducing socket for BFC100n	8750621 Mfr. no. 0308196(S)	€56.11	Made-to-order item	View & order

Exploded views of the A.O. Smith BFC 100

Click an exploded view to enlarge it. The position numbers are shown next to each part.

Fault code on your A.O. Smith BFC 100? This is the part type involved

Common A.O. Smith fault codes and the part type that is usually the cause; the parts for this model are listed above. All codes explained: A.O. Smith fault codes.

Code	What is going on	Part type
045	Damaged wiring and/or defective sensor.	Sensors
78A	Bottom sensor fault	Sensors
502	Sensor fault: Sensor is not (correctly) connected.	Sensors
503	Sensor fault: damaged wiring and/or defective sensor.	Sensors
504	Sensor fault: damaged wiring and/or defective sensor.	Sensors
787	Top sensor fault	Sensors

For guidance only: the same code can have a different cause depending on the situation.

Other A.O. Smith hot water cylinders

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Frequently asked questions

Which parts are available for the A.O. Smith BFC 100?

The catalogue lists 38 original parts for the A.O. Smith BFC 100, including fans, sensors, temperature sensors and NTC sensors, pressure switches and differential pressure switches. All parts are listed above, grouped by type, with part number and price.

How much does a fan for the A.O. Smith BFC 100 cost?

The fans for this model cost between €511.01 and €1,633.60 incl. VAT. Check the table "Fans" above for the right part number.

Are the parts for the A.O. Smith BFC 100 in stock?

19 of the 38 parts are in stock; shipping to EU countries from €12.95 (€16.95 for more distant countries), usually 3–5 working days. Parts marked "Made-to-order item" are ordered specially for you; the delivery time is shown on the product page.

How do I know which part I need for the A.O. Smith BFC 100?

Search for the part by part number or use the exploded view of the A.O. Smith BFC 100.

Are these original A.O. Smith parts?

Yes. All 38 parts in this list are original manufacturer parts for the A.O. Smith BFC 100, delivered with the correct part number.

How much do parts for the A.O. Smith BFC 100 cost?

Parts for the A.O. Smith BFC 100 range from €27.18 to €2,254.70 incl. VAT. The exact price of each part is shown in the tables above.

Can I return a part?

As a consumer you have a 14-day right of withdrawal. You may unpack and inspect the part; do not install or connect it. For a part that has been installed, connected or damaged we deduct the diminished value, up to the full price for circuit boards.