A.O. Smith EQ(B) 280 spare parts

In brief

Instalpunt supplies 16 original parts for the A.O. Smith EQ(B) 280, including sensors, gas valves and gas control, ignition and ionisation. Order online.

16Spare parts
10In stock
€8.15From
10Types
availableExploded view

Looking for parts for the A.O. Smith EQ(B) 280 (hot water cylinder)? Below are all 16 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 →

Sensors 1
Gas valves and gas control 1
Ignition and ionisation 3
Thermostats and controls 2
Burners 2
Valves 1
Anodes 1
Cables and wiring harnesses 1
Gaskets and seals 1
Pipes, tubes and hoses 1
Other parts 2

Sensors for the A.O. Smith EQ(B) 280 (1) all A.O. Smith sensors →

Part	Item no. / mfr. no.	Price	Stock
A.O. Smith temperature limiter	8750486 Mfr. no. 0308237(S)	€85.23	In stock	View & order

Gas valves and gas control for the A.O. Smith EQ(B) 280 (1) all A.O. Smith gas valves and gas control →

Part	Item no. / mfr. no.	Price	Stock
A.O. Smith gas valve EQ	8750185 Mfr. no. 0300947(S)	€208.99	In stock	View & order

Ignition and ionisation for the A.O. Smith EQ(B) 280 (3) all A.O. Smith ignition and ionisation →

Part	Item no. / mfr. no.	Price	Stock
A.O. Smith piezo ignition	8750160 Mfr. no. 0307596(S)	€62.35	In stock	View & order
A.O. Smith ignition cable	8750060 Mfr. no. 0303927(S)	€12.43	In stock	View & order
A.O. Smith ionisation electrode	8750056 Mfr. no. 0071608(S)	€22.83	In stock	View & order

Thermostats and controls for the A.O. Smith EQ(B) 280 (2) all A.O. Smith thermostats and controls →

Part	Item no. / mfr. no.	Price	Stock
A.O. Smith thermocouple 500 mm	8750075 Mfr. no. 0071872(S)	€31.15	In stock	View & order
A.O. Smith thermostat for e.g. EQ(B) 280 0305345(S)	8750351 Mfr. no. 0305345(S)	€74.83	In stock	View & order

Burners for the A.O. Smith EQ(B) 280 (2) all A.O. Smith burners →

Part	Item no. / mfr. no.	Price	Stock
A.O. Smith pilot burner set	8750020 Mfr. no. 0301820(S)	€85.23	In stock	View & order
A.O. Smith main burner BTT 85	8750394 Mfr. no. 0301399(S)	€119.55	Made-to-order item	View & order

Valves for the A.O. Smith EQ(B) 280 (1) all A.O. Smith valves →

Part	Item no. / mfr. no.	Price	Stock
A.O. Smith drain cock for e.g. BTL 85 0301022(S)	8750260 Mfr. no. 0301022(S)	€133.07	Made-to-order item	View & order

Anodes for the A.O. Smith EQ(B) 280 (1) all A.O. Smith anodes →

Part	Item no. / mfr. no.	Price	Stock
A.O. Smith anode universal 1270 mm	8750119 Mfr. no. 0183463050(S)	€60.27	In stock	View & order

Cables and wiring harnesses for the A.O. Smith EQ(B) 280 (1) all A.O. Smith cables and wiring harnesses →

Part	Item no. / mfr. no.	Price	Stock
A.O. Smith wiring harness for e.g. BTL 85 0305346(S)	8750352 Mfr. no. 0305346(S)	€60.27	Made-to-order item	View & order

Gaskets and seals for the A.O. Smith EQ(B) 280 (1) all A.O. Smith gaskets and seals →

Part	Item no. / mfr. no.	Price	Stock
A.O. Smith manhole cover gasket	8750140 Mfr. no. 0301136(S)	€34.79	In stock	View & order

Pipes, tubes and hoses for the A.O. Smith EQ(B) 280 (1) all A.O. Smith pipes, tubes and hoses →

Part	Item no. / mfr. no.	Price	Stock
A.O. Smith cold water inlet tube for e.g. EQ(B) 280 0194134030(S)	8750211 Mfr. no. 0194134030(S)	€32.19	Made-to-order item	View & order

Other parts for the A.O. Smith EQ(B) 280 (2)

Part	Item no. / mfr. no.	Price	Stock
A.O. Smith compression fitting 4mm	8750257 Mfr. no. 0300950(S)	€44.67	Made-to-order item	View & order
A.O. Smith turbulator strip for e.g. EQ(B) 280 0070239(S)	8750477 Mfr. no. 0070239(S)	€56.11	Made-to-order item	View & order

Fault code on your A.O. Smith EQ(B) 280? 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
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

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 EQ(B) 280?

The catalogue lists 16 original parts for the A.O. Smith EQ(B) 280, including sensors, gas valves and gas control, ignition and ionisation, thermostats and controls. All parts are listed above, grouped by type, with part number and price.

How much does a sensor for the A.O. Smith EQ(B) 280 cost?

The sensors for this model cost €85.62 incl. VAT. Check the table "Sensors" above for the right part number.

Are the parts for the A.O. Smith EQ(B) 280 in stock?

10 of the 16 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 EQ(B) 280?

Search for the part by part number or use the exploded view of the A.O. Smith EQ(B) 280.

Are these original A.O. Smith parts?

Yes. All 16 parts in this list are original manufacturer parts for the A.O. Smith EQ(B) 280, delivered with the correct part number.

How much do parts for the A.O. Smith EQ(B) 280 cost?

Parts for the A.O. Smith EQ(B) 280 range from €8.15 to €232.40 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.