Vaillant
Vaillant Thermostat Cylinder Controls Twin 0020127604
Vaillant 0020127604 twin cylinder thermostat for compatible Vaillant unvented hot water cylinders.
At a glance
- Also known as 1385239
£197.87
£164.89 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 0020127604 is a twin thermostat for cylinder controls, used in compatible Vaillant unvented hot water cylinders. It forms part of the cylinder control circuit, regulating the stored hot water temperature. This part is listed for Vaillant auroSTOR, uniSTOR, Vantage and VIH cylinder models.
Signs this part needs replacing
- Cylinder water temperature does not match the thermostat setting
- Hot water runs cold or overheats
- Boiler does not fire when the cylinder calls for heat
- Thermostat dial or sensor is unresponsive
- Frequent cycling or inconsistent hot water delivery
Before you order
- Check the model number on the cylinder data plate against the fitment list
- Confirm the part number 0020127604 matches your existing thermostat
- Verify compatibility with your Vaillant cylinder series (auroSTOR, uniSTOR, Vantage or VIH)
- Consult the manufacturer's parts list if your model is not listed
Compliance
| Barcode / EAN | 4024074605011 |
|---|---|
| Alternative numbers | 1385239 |
| Make | Model / assembly | Reference | Years | Fitment |
|---|---|---|---|---|
| VAILLANT VANTAGE VIH GB 180/2 S | — | — | — | |
| VAILLANT VANTAGE VIH GB 260/2 S | — | — | — | |
| VAILLANT VANTAGE VIH GB 310/2 S | — | — | — | |
| VAILLANT VIH GB 180/2 S | — | — | — | |
| VAILLANT VIH GB 260/2 S | — | — | — | |
| VAILLANT VIH GB 310/2 S | — | — | — | |
| VAILLANT VIH S GB 210/2 S | — | — | — | |
| VAILLANT VIH S GB 260/2 S | — | — | — | |
| VAILLANT VIH S GB 310/2 S | — | — | — | |
| VAILLANT auroSTOR VIH S GB 210/2 S (2011) | — | — | — |
Showing 10 of 16 compatible appliances.
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.
VAILLANT appliance manual — VIH GB 180/2 S, VIH GB 260/2 S, VIH GB 310/2 S, uniSTOR VIH GB 180/2 S (2011), uniSTOR VIH GB 260/2 S (2011), uniSTOR VIH GB 310/2 S (2011)
manualmanualVAILLANT appliance manual — auroSTOR VIH S GB 210/2 S (2011), auroSTOR VIH S GB 260/2 S (2011), auroSTOR VIH S GB 310/2 S (2011)
manualNo 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.