A.O. Smith BT(T) 85 spare parts
In brief
Instalpunt supplies 19 original parts for the A.O. Smith BT(T) 85, including sensors, gas valves and gas control, ignition and ionisation. Order online.
- 19Spare parts
- 11In stock
- €8.15From
- 10Types
- availableExploded view
Looking for parts for the A.O. Smith BT(T) 85 (hot water cylinder)? Below are all 19 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 2
- Ignition and ionisation 3
- Thermostats and controls 2
- Burners 2
- Valves 1
- Anodes 2
- Conversion kits 1
- Cables and wiring harnesses 1
- Gaskets and seals 1
- Other parts 3
Sensors for the A.O. Smith BT(T) 85 (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 BT(T) 85 (2) all A.O. Smith gas valves and gas control →
| Part | Item no. / mfr. no. | Price | Stock | |
|---|---|---|---|---|
| A.O. Smith gas valve EQB NAT (from 5-4-'21) | 8750180 Mfr. no. 0300949(S) | €208.99 | In stock | View & order |
| A.O. Smith gas valve propane / butane LP/ NAT (up to 4-4-'21) | 8750398 Mfr. no. 0301914(S) | €358.75 | Made-to-order item | View & order |
Ignition and ionisation for the A.O. Smith BT(T) 85 (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 BT(T) 85 (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 BT(T) 85 (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 BT(T) 85 (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 BT(T) 85 (2) all A.O. Smith anodes →
| Part | Item no. / mfr. no. | Price | Stock | |
|---|---|---|---|---|
| A.O. Smith anode (S) flexible 1126 mm | 8750005 Mfr. no. 0304728(S) | €143.47 | In stock | View & order |
| A.O. Smith anode 3/4" | 8750125 Mfr. no. 0183463039(S) | €49.87 | In stock | View & order |
Conversion kits for the A.O. Smith BT(T) 85 (1) all A.O. Smith conversion kits →
| Part | Item no. / mfr. no. | Price | Stock | |
|---|---|---|---|---|
| A.O. Smith conversion kit LP 30MBAR SFL85N | 8750724 Mfr. no. 0301458(S) | €49.87 | Made-to-order item | View & order |
Cables and wiring harnesses for the A.O. Smith BT(T) 85 (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 BT(T) 85 (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 |
Other parts for the A.O. Smith BT(T) 85 (3)
| Part | Item no. / mfr. no. | Price | Stock | |
|---|---|---|---|---|
| A.O. Smith turbulator strip 4x | 8750772 Mfr. no. 0196172001(S) | €88.35 | Made-to-order item | View & order |
| A.O. Smith burner tube BTT 100 | 8750038 Mfr. no. 0301839(S) | €207.95 | 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 BT(T) 85? 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
- A.O. Smith ADM(C) 115 17
- A.O. Smith ADM(C) 135 17
- A.O. Smith ADM(C) 40 21
- A.O. Smith ADM(C) 50 21
- A.O. Smith ADM(C) 60 16
- A.O. Smith ADM(C) 80 21
- A.O. Smith ADM(C) 90 20
- A.O. Smith ADMR 115 19
- A.O. Smith ADMR 135 19
- A.O. Smith ADMR 40 32
- A.O. Smith ADMR 50 24
- A.O. Smith ADMR 60 22
Frequently asked questions
Which parts are available for the A.O. Smith BT(T) 85?
The catalogue lists 19 original parts for the A.O. Smith BT(T) 85, 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 BT(T) 85 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 BT(T) 85 in stock?
11 of the 19 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 BT(T) 85?
Search for the part by part number or use the exploded view of the A.O. Smith BT(T) 85.
Are these original A.O. Smith parts?
Yes. All 19 parts in this list are original manufacturer parts for the A.O. Smith BT(T) 85, delivered with the correct part number.
How much do parts for the A.O. Smith BT(T) 85 cost?
Parts for the A.O. Smith BT(T) 85 range from €8.15 to €398.21 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.