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Nefit safety sensor for Smartline basic
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Nefit safety sensor for Smartline basic 7101564

€ 38.63 incl. VAT

Original spare part Nefit (Bosch). Type: Sensor, 78154. Application: Boiler / SmartLine Basic HR 24. Supplier code: 7101564.

SKU: 8026838 Categories: , Brand:

Price and stock checked on 20 October 2026.

✓ In stock — delivery usually within 3–5 working days
EU delivery from € 17.95 · Shipping & payment

Price incl. VAT. Any delivery costs are calculated in the basket — see shipping & delivery.

Does this fit my appliance?
ApplicationBoiler
Series / modelSmartLine Basic HRC 24 CW4 and 2 other models
Nefit (Bosch) number7101564
Article number8026838
Not sure? Search by article or manufacturer number or check with the manufacturer or your installer.
All spare parts for Nefit (Bosch) SmartLine Basic HRC 24 CW4 →
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Nefit safety sensor for Smartline basic: original Nefit spare part, type: Sensor. Application: Boiler (SmartLine Basic HR 24). Manufacturer number: 7101564; Instalpunt article number: 8026838.

According to the Nefit parts lists, this part fits 3 models, including Nefit (Bosch) SmartLine Basic HR 24, Nefit (Bosch) SmartLine Basic HRC 24 CW3 and Nefit (Bosch) SmartLine Basic HRC 24 CW4. The full list is under “Fits”.

In stock: order before 14:00 and it ships the same working day; delivery within the EU usually takes 3–5 working days.

Check the rating plate of your appliance before ordering; if in doubt, ask the manufacturer or your installer. Work on gas-carrying parts must be carried out by a qualified gas engineer.

Product information: Nefit safety sensor for Smartline basic 7101564

BrandNefit (Bosch) spare parts
Nefit (Bosch) manufacturer number7101564
Instalpunt article number8026838
EAN4047416106328
Also known as78154
Part typeSensor (All Nefit (Bosch) sensors · sensors of all brands)
ApplicationBoiler
Suitable for3 Nefit (Bosch) models (see list)
DeliveryIn stock, delivery in 3–5 working days
Price€ 38,63 incl. VAT
OriginSupplied through the official technical wholesale channel, under Nefit (Bosch) number 7101564

Also known as: voeler, temperatuursensor, NTC-sensor.

Fits 3 Nefit (Bosch) models

The part Nefit safety sensor for Smartline basic 7101564 is in the official parts list of these Nefit (Bosch) appliances. Click a model for the complete parts list and exploded view.

Nefit (Bosch) Boiler (3)

Check the rating plate of your appliance. Not sure whether this part fits? Check with the manufacturer or your installer; with the correct manufacturer number you can order it here directly.

Position on the parts diagram

This spare part is shown as position 9 on the parts drawing. Open the drawing for the appliance and click the number to check that you have the right spare part.

For which fault is a Nefit (Bosch) sensor replaced?

According to the fault code database, these Nefit (Bosch) fault codes point to this type of part. Always check first that the code matches the appliance type on the rating plate.

CodeWhat is going on
0Y 276The flow temperature sensor has measured a temperature higher than 95°C.
0Y 277The safety temperature sensor has measured a temperature higher than 95°C.
0Y 285The return temperature sensor has measured a temperature higher than 95°C.
1A 316The flue gas temperature sensor has measured an excessive temperature.
1P 346The temperature of the flue gas temperature sensor is rising too fast.
1U 317The contacts of the flue gas temperature sensor are short-circuited.

Indicative: the same code can have a different cause depending on the situation. Have work on gas, flue or burner adjustment carried out by a qualified installer.

Frequently asked questions about this item

Does the Nefit safety sensor for Smartline basic 7101564 fit my appliance?
This part is in the parts list of 3 Nefit (Bosch) models, namely the SmartLine Basic HR 24, SmartLine Basic HRC 24 CW3, SmartLine Basic HRC 24 CW4. The model type is on the rating plate of your appliance. If in doubt, ask the manufacturer or your installer.
What is the delivery time for the Nefit safety sensor for Smartline basic 7101564?
This item is in stock. Ordered before 14:00, it ships the same working day and usually arrives within three to five working days.
Can I return this item?
Yes, unused and in the original packaging within 14 days of receipt. Unpacked or fitted items and electronics such as PCBs cannot be returned. How to register a return is explained on returns.
What does shipping cost?
Shipping costs € 17.95 to Austria, Denmark, Italy, Spain and Sweden and € 24.95 to other EU countries. In-stock items ordered before 2 pm are dispatched the same working day; delivery usually takes 3–5 working days. Details: Shipping.
I have a fault code, which part do I need?
Look up the code in the fault code finder: per brand and appliance it shows what the code means and which part goes with it. If the code is listed with this part, the part belongs to that fault.

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