Vaillant expansion vessels
Also searched for as: expansion vessel and pressure vessel for Vaillant.
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In brief
Instalpunt supplies 7 original Vaillant expansion vessels for 76 models, each with part number and compatible appliances. Order online.
- 7Spare parts
- 76Models
- €111.59From
- 3In stock
Below, all items in the category expansion vessels from the Instalpunt Vaillant catalogue, sorted by the number of appliances they fit. Click a part for the full list of compatible models, or go straight to the appliance page via "Suitable for".
| Part | Item no. / mfr. no. | Suitable for | Price | Stock | |
|---|---|---|---|---|---|
| Vaillant expansion vessel for e.g. geoTHERM VWS 103/3 0020031984 | 8053189 Mfr. no. 0020031984 | 38 models | €102.55 | In stock | View & order |
| Vaillant expansion vessel 10 litre 07 for ecoTEC pro and ecoTEC | 8051861 Mfr. no. 181051 | 17 models | €141.43 | In stock | View & order |
| Vaillant expansion vessel 15 litre | 8050874 Mfr. no. 179048 | 10 models | €180.31 | In stock | View & order |
| Vaillant expansion vessel for e.g. aroTHERM Split plus VWL 77/8.2 IS 0020272916 | 80501243 Mfr. no. 0020272916 | 7 models | €139.27 | Made-to-order item | View & order |
| Vaillant expansion vessel for ecoTEC | 80500530 Mfr. no. 0020237676 | 4 models | €131.71 | Made-to-order item | View & order |
| Vaillant brine expansion vessel 2 litre | 0160014 Mfr. no. 0020218627 | 2 models | €128.47 | Made-to-order item | View & order |
| Vaillant expansion vessel 2L | 80500524 Mfr. no. 0020233668 | 2 models | €123.07 | Made-to-order item | View & order |
Models with Vaillant expansion vessels
- Vaillant uniTOWER VIH QW 190/1 E (0010019708) 3 expansion vessels
- Vaillant uniTOWER VIH QW 190/1 E (0010019709) 3 expansion vessels
- Vaillant geoTHERM VWS 101/2 1 expansion vessel
- Vaillant geoTHERM VWS 101/3 1 expansion vessel
- Vaillant geoTHERM VWS 103/2 1 expansion vessel
- Vaillant geoTHERM VWS 103/3 1 expansion vessel
- Vaillant geoTHERM VWS 104/2 1 expansion vessel
- Vaillant geoTHERM VWS 104/3 1 expansion vessel
- Vaillant geoTHERM VWS 141/2 1 expansion vessel
- Vaillant geoTHERM VWS 141/3 1 expansion vessel
- Vaillant geoTHERM VWS 171/2 1 expansion vessel
- Vaillant geoTHERM VWS 171/3 1 expansion vessel
Other Vaillant part types
- Vaillant fans 60
- Vaillant sensors 68
- Vaillant temperature sensors and NTC sensors 31
- Vaillant flow sensors and flow switches 8
- Vaillant pressure switches and differential pressure switches 22
- Vaillant pumps 65
- Vaillant heat exchangers 140
- Vaillant gas valves and gas control 94
- Vaillant PCBs and controls 97
- Vaillant diverter valves and hydroblocks 23
- Vaillant ignition and ionisation 54
- Vaillant expansion valves 30
- Vaillant compressors 26
- Vaillant siphons and condensate drains 24
- Vaillant thermostats and controls 13
- Vaillant burners 80
- Vaillant displays and controls 62
- Vaillant filters 38
- Vaillant valves 125
- Vaillant anodes 8
- Vaillant heating elements 8
- Vaillant pressure gauges 14
- Vaillant motors 25
- Vaillant electrical parts 87
- Vaillant conversion kits 17
- Vaillant cables and wiring harnesses 285
- Vaillant gasket sets 17
- Vaillant gaskets and seals 279
- Vaillant pipes, tubes and hoses 647
- Vaillant casing and panels 398
- Vaillant insulation 108
- Vaillant fixing material 460
Frequently asked questions
Which Vaillant expansion vessels does Instalpunt supply?
Instalpunt supplies 7 original Vaillant parts in the category expansion vessels, suitable for 76 Vaillant models. Each part is listed in the table above with part number, price and stock status.
Where can I buy an expansion vessel for a Vaillant appliance?
At Instalpunt you can order original Vaillant expansion vessels online, with part number and the appliances they fit. Choose your appliance under "Suitable for"; stock items: shipping to EU countries from €12.95 (€16.95 for more distant countries), usually 3–5 working days.
How much does an expansion vessel for a Vaillant appliance cost?
The expansion vessels for Vaillant range from €111.59 to €217.35 incl. VAT. The exact price depends on the model, so check the rating plate of your appliance.
How do I know which expansion vessel fits my Vaillant?
Choose your model in the "Suitable for" column or go to the appliance page of your Vaillant (under "Models with expansion vessels"). There you will find the complete parts list with exploded view. Not sure? Check with the manufacturer or your installer.
Are these expansion vessels available from stock?
3 of the 7 parts are in stock; shipping to EU countries from €12.95 (€16.95 for more distant countries), usually 3–5 working days. Made-to-order items are ordered specially for you; the delivery time is shown on the product page.