EU delivery from € 17.95 From stock: fast dispatch to EU countries Delivery across the EU WebwinkelKeur certified Pay securely by card & Klarna
Account
Log in Business login Create business account
Basket
★★★★★9,0/1051 beoordelingen · WebwinkelKeur verified“snelle levering” — Jan Fakkeldij“Motor bedteld voor kunsthaard. Zeer duidelijk welke ik moest bestellen en zeer snel thuis.” — Bert RoosenburgAll reviews →
Nefit pump Stratos Para 25/1-11 180 PWM
,

Nefit pump Stratos Para 25/1-11 180 PWM 8733703234

€ 681.28 incl. VAT

Original spare part Nefit (Bosch). Type: Pump. Application: Heat pump / IDU Split 8-15 T. Delivery time: approx. 5–10 working days. Supplier code: 8733703234.

Special-order item — delivery time approx. 5–10 working days — non-returnable

SKU: 8020533 Categories: , Brand:

Price and stock checked on 20 October 2026.

Made-to-order item — ordered specially for you, see delivery time below
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?
ApplicationHeat pump
Series / modelIDU Split 8-15 TS and 3 other models
Nefit (Bosch) number8733703234
Article number8020533
Not sure? Search by article or manufacturer number or check with the manufacturer or your installer.
All spare parts for Nefit (Bosch) IDU Split 8-15 TS →
Made-to-order item — this spare part is not on our shelf and is ordered specially for you from the manufacturer or wholesaler, delivery time approx. 5–10 working days. Specially ordered items cannot be returned: the manufacturer or supplier does not take them back. So check the type number of your appliance and the article number of the spare part beforehand. In doubt? Check with the manufacturer or your installer (see also returns).
9,0/10 WebwinkelKeur⚠ Made-to-order item: no returns possible iDEAL · Klarna · Bancontact 085-303 7272 ma–vr 08:00–17:00

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

Nefit pump Stratos Para 25/1-11 180 PWM: original Nefit spare part, type: Pump. Application: Heat pump (IDU Split 8-15 T). Manufacturer number: 8733703234; Instalpunt article number: 8020533.

According to the Nefit parts lists, this part fits 4 models, including Nefit (Bosch) IDU Split 8-15 T, Nefit (Bosch) IDU Split 8-15 TS and Nefit (Bosch) Monoblock IDU 13-17 T. The full list is under “Fits”.

Special-order item (delivery time approx. 3–5 days): it is ordered specially for you from the manufacturer and is non-returnable.

Check the rating plate of your appliance before ordering; if in doubt, ask the manufacturer or your installer.

Product information: Nefit pump Stratos Para 25/1-11 180 PWM 8733703234

BrandNefit (Bosch) spare parts
Nefit (Bosch) manufacturer number8733703234
Instalpunt article number8020533
EAN4054925366365
Part typePump (All Nefit (Bosch) pumps · pumps of all brands)
ApplicationHeat pump
Suitable for4 Nefit (Bosch) models (see list)
DeliverySpecial-order item, delivery time approx. 5–10 working days
Price€ 681,28 incl. VAT
OriginSupplied through the official technical wholesale channel, under Nefit (Bosch) number 8733703234

Also known as: cv-pomp, circulatiepomp.

Fits 4 Nefit (Bosch) models

The part Nefit pump Stratos Para 25/1-11 180 PWM 8733703234 is in the official parts list of these Nefit (Bosch) appliances. Click a model for the complete parts list and exploded view.

Nefit (Bosch) Heat pump (4)

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.

For which fault is a Nefit (Bosch) pump 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
2CHeat exchanger safety sensor too hot. The pump is defective. The water level in the CH circuit is too low due to leakage or air in the installation
2FTemperature difference between the safety and flow sensor is too large. The flow and return sensors are swapped. There is too much resistance in the CH circuit, e.g. closed radiator valves. The bypass is incorrectly installed or set. The pump is stuck.
2Y 281Water pressure fault: the pump is stuck or running dry (air).
2Y 282The pump control signal is missing.

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.

Available: Pump by Nefit (Bosch)

This part is currently out of stock. There is no available alternative of this type for the same models. These Nefit (Bosch) parts of the same type are available, but belong to other models.

Please note: these are not confirmed replacements. Check the manufacturer number in the spare parts list or exploded view of your appliance, or just ask us.

Frequently asked questions about this item

Does the Nefit pump Stratos Para 25/1-11 180 PWM 8733703234 fit my appliance?
This part is in the parts list of 4 Nefit (Bosch) models, namely the IDU Split 8-15 T, IDU Split 8-15 TS, Monoblock IDU 13-17 T, Monoblock IDU 13-17 TS. 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 of this made-to-order item?
This is a special-order item: we order it specially for you from the wholesaler. The expected delivery time is approx. 5–10 working days. You can also see the delivery time next to the stock status at the top of this page.
Can I return this made-to-order item?
A specially ordered item is not taken back by the supplier, so returns are not possible. So check the article number and the rating plate of your appliance beforehand. Is something wrong with your order? Then contact us via info@instalpunt.nl. The full terms and conditions are 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.

Related products

Help & more

Scroll to Top