Vaillant
Vaillant Accumulating Tank 0020127159
Accumulating tank, part 0020127159, for Vaillant geoTHERM VWL 45/1, 65/1 and 75/1 A 230V appliances.
At a glance
- Appliance family: geoTHERM VWL
- Also known as 1385139
£182.52
£152.10 ex. VAT · VAT at 20%
Same-day dispatch
Ordered by 4pm Mon–Fri, 10:30am Sat.
30-day returns
Unused, in original packaging.
What it is
The Vaillant accumulating tank, part number 0020127159, is a buffer vessel used within the geoTHERM VWL range of appliances. It provides a volume of stored water in the heating circuit, helping to stabilise system temperature and reduce short cycling of the heat source. It is listed by the manufacturer for the VWL 45/1, 65/1 and 75/1 A 230V models.
Signs this part needs replacing
- Water weeping or pooling around the tank body or its connections
- Corrosion, rust staining or visible deterioration on the vessel or fittings
- Repeated loss of system pressure with no other obvious cause
- Poor temperature stability or frequent cycling of the heat source
- Abnormal noise or vibration from the vessel area during operation
Before you order
- Confirm the appliance model and part number from the data plate before ordering
- Check the part number against the manufacturer's parts list for your appliance
- Inspect the existing tank connections and pipework for condition and compatibility
- Confirm whether any seals, fittings or ancillary items are required separately
Compliance
| Alternative numbers | 1385139 |
|---|
| Make | Model / assembly | Reference | Years | Fitment |
|---|---|---|---|---|
| VAILLANT VWL 45/1 A 230V | — | — | — | |
| VAILLANT VWL 65/1 A 230V | — | — | — | |
| VAILLANT VWL 75/1 A 230V | — | — | — | |
| VAILLANT geoTHERM VWL 45/1 A 230V | — | — | — | |
| VAILLANT geoTHERM VWL 65/1 A 230V | — | — | — | |
| VAILLANT geoTHERM VWL 75/1 A 230V | — | — | — | |
| VAILLANT geoTHERM VWL 75/1 A 230V | — | — | — |
Documents & drawings
Everything we hold for this part. Where a document exists but we don't hold it, the technical team will source it from the manufacturer — usually the same working day.
No technical questions yet for this part.
Not sure which part?
Search by part number, product name or brand — our technical team confirms fitment before anything is dispatched.