A.O. Smith ADM(C) 40 spare parts

In brief

Instalpunt supplies 21 original parts for the A.O. Smith ADM(C) 40, including gas valves and gas control, burner control units, ignition and ionisation. Order online.

21Spare parts
12In stock
€38.05From
9Types
availableExploded view

Looking for parts for the A.O. Smith ADM(C) 40 (hot water cylinder)? Below are all 21 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 ADM(C) 40

Part	From	Delivery
Ignition part A.O. Smith glow plug for e.g. ADM(C) 50 0303493(S)	€116.43	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).
Burner control unit A.O. Smith burner control unit for e.g. ADM(C) 50 0303497(S)	€366.03	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.

Gas valves and gas control 1
Burner control units 1
Ignition and ionisation 4
Thermostats and controls 3
Burners 1
Displays and controls 1
Valves 3
Anodes 1
Gaskets and seals 3
Other parts 3

Gas valves and gas control for the A.O. Smith ADM(C) 40 (1) all A.O. Smith gas valves and gas control →

Part	Item no. / mfr. no.	Price	Stock
A.O. Smith gas valve	8750266 Mfr. no. 0300903(S)	€409.71	In stock	View & order

Burner control units for the A.O. Smith ADM(C) 40 (1)

Part	Item no. / mfr. no.	Price	Stock
A.O. Smith burner control unit for e.g. ADM(C) 50 0303497(S)	8750204 Mfr. no. 0303497(S)	€366.03	In stock	View & order

Ignition and ionisation for the A.O. Smith ADM(C) 40 (4) all A.O. Smith ignition and ionisation →

Part	Item no. / mfr. no.	Price	Stock
A.O. Smith glow plug for e.g. ADM(C) 50 0303493(S)	8750200 Mfr. no. 0303493(S)	€116.43	In stock	View & order
A.O. Smith glow plug for ADM	8750323 Mfr. no. 0305408(S)	€201.71	In stock	View & order
A.O. Smith glow plug 120V	8750087 Mfr. no. 0304242(S)	€120.59	In stock	View & order
A.O. Smith glow plug kit	8750428 Mfr. no. 0303045(S)	€134.11	Made-to-order item	View & order

Thermostats and controls for the A.O. Smith ADM(C) 40 (3) all A.O. Smith thermostats and controls →

Part	Item no. / mfr. no.	Price	Stock
A.O. Smith maximum thermostat 84°C	8750191 Mfr. no. 0302991(S)	€61.31	In stock	View & order
A.O. Smith safety switch 93°C	8750006 Mfr. no. 0300674(S)	€127.87	In stock	View & order
A.O. Smith control thermostat for e.g. BFM 50 0302989(S)	8750264 Mfr. no. 0302989(S)	€72.75	Made-to-order item	View & order

Burners for the A.O. Smith ADM(C) 40 (1) all A.O. Smith burners →

Part	Item no. / mfr. no.	Price	Stock
A.O. Smith burner BTC 270	8750149 Mfr. no. 0304891(S)	€117.47	Made-to-order item	View & order

Displays and controls for the A.O. Smith ADM(C) 40 (1) all A.O. Smith displays and controls →

Part	Item no. / mfr. no.	Price	Stock
A.O. Smith reset button	8750018 Mfr. no. 0301948(S)	€65.47	Made-to-order item	View & order

Valves for the A.O. Smith ADM(C) 40 (3) all A.O. Smith valves →

Part	Item no. / mfr. no.	Price	Stock
A.O. Smith flue damper after 9-2003	8750197 Mfr. no. 0306652(S)	€1,011.87	Made-to-order item	View & order
A.O. Smith flue damper before 5-2000	8750007 Mfr. no. 0306649(S)	€1,103.39	Made-to-order item	View & order
A.O. Smith flue damper 2000-2002	8750322 Mfr. no. 0306650(S)	€1,011.87	Made-to-order item	View & order

Anodes for the A.O. Smith ADM(C) 40 (1) all A.O. Smith anodes →

Part	Item no. / mfr. no.	Price	Stock
A.O. Smith anode 3/4"	8750125 Mfr. no. 0183463039(S)	€49.87	In stock	View & order

Gaskets and seals for the A.O. Smith ADM(C) 40 (3) all A.O. Smith gaskets and seals →

Part	Item no. / mfr. no.	Price	Stock
A.O. Smith O-ring manhole R126x14	8750145 Mfr. no. 0304741(S)	€38.43	In stock	View & order
A.O. Smith service gasket manhole	8750155 Mfr. no. 0301125(S)	€57.15	In stock	View & order
A.O. Smith gasket for e.g. ADM(C) 50 0097329(S)	8750267 Mfr. no. 0097329(S)	€41.55	In stock	View & order

Other parts for the A.O. Smith ADM(C) 40 (3)

Part	Item no. / mfr. no.	Price	Stock
A.O. Smith U-profile rgv hood	8750271 Mfr. no. 0305098(S)	€49.87	In stock	View & order
A.O. Smith TTB sensor 0303316(S)	8750262 Mfr. no. 0303316(S)	€145.55	Made-to-order item	View & order
A.O. Smith turbulator strip 0068440002(S)	8750207 Mfr. no. 0068440002(S)	€64.43	Made-to-order item	View & order

Fault code on your A.O. Smith ADM(C) 40? 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
0A5	The thermal fuse has interrupted the control circuit.	Thermostats and controls
Explosive ignition	Poor flame pattern: insufficient air supply	Burners
F01	Control fault: Live and neutral were swapped during connection	Ignition and ionisation
F04	Three unsuccessful ignition attempts: no burner pressure	Burners
F04	Three unsuccessful ignition attempts: fault in the glow igniter circuit	Ignition and ionisation
F06	Contact with a metal surface due to a broken cable or deformed ionisation pin.	Ignition and ionisation

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

Other A.O. Smith hot water cylinders

← All A.O. Smith parts

Frequently asked questions

Which parts are available for the A.O. Smith ADM(C) 40?

The catalogue lists 21 original parts for the A.O. Smith ADM(C) 40, including gas valves and gas control, burner control units, ignition and ionisation, thermostats and controls. All parts are listed above, grouped by type, with part number and price.

How much does a gas valve for the A.O. Smith ADM(C) 40 cost?

The gas valves and gas control for this model cost €504.22 incl. VAT. Check the table "Gas valves and gas control" above for the right part number.

Are the parts for the A.O. Smith ADM(C) 40 in stock?

12 of the 21 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 ADM(C) 40?

Search for the part by part number or use the exploded view of the A.O. Smith ADM(C) 40.

Are these original A.O. Smith parts?

Yes. All 21 parts in this list are original manufacturer parts for the A.O. Smith ADM(C) 40, delivered with the correct part number.

How much do parts for the A.O. Smith ADM(C) 40 cost?

Parts for the A.O. Smith ADM(C) 40 range from €38.05 to €1,287.04 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.