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Viessmann plate heat exchanger 100bwb
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Viessmann plate heat exchanger 100bwb 7823858

€ 185.40 incl. VAT

Original spare part Viessmann. Type: Plate heat exchanger. Application: Boiler / Vitodens 100 BWB1. Supplier code: 7823858.

SKU: 8690285 Categories: ,

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 / modelVitodens 100 WB1b and 1 other model
Viessmann number7823858
Article number8690285
Not sure? Search by article or manufacturer number or check with the manufacturer or your installer.
All spare parts for Viessmann Vitodens 100 WB1b →
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Viessmann plate heat exchanger 100bwb: original Viessmann spare part, type: Plate heat exchanger. Application: Boiler (Vitodens 100 BWB1). Manufacturer number: 7823858; Instalpunt article number: 8690285.

According to the Viessmann parts lists, this part fits 2 models, including Viessmann Vitodens 100 BWB1 and Viessmann Vitodens 100 WB1b. 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: Viessmann plate heat exchanger 100bwb 7823858

BrandViessmann spare parts
Viessmann manufacturer number7823858
Instalpunt article number8690285
Part typePlate heat exchanger (All Viessmann heat exchangers · heat exchangers of all brands)
ApplicationBoiler
Suitable for2 Viessmann models (see list)
DeliveryIn stock, delivery in 3–5 working days
Price€ 185,40 incl. VAT
OriginSupplied through the official technical wholesale channel, under Viessmann number 7823858

Also known as: platenwarmtewisselaar, tapwaterwisselaar.

Fits 2 Viessmann models

The part Viessmann plate heat exchanger 100bwb 7823858 is in the official parts list of these Viessmann appliances. Click a model for the complete parts list.

Viessmann Boiler (2)

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.

Frequently asked questions about this item

Does the Viessmann plate heat exchanger 100bwb 7823858 fit my appliance?
This part is in the parts list of 2 Viessmann models, namely the Vitodens 100 BWB1, Vitodens 100 WB1b. 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 Viessmann plate heat exchanger 100bwb 7823858?
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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