
Vaillant
Vaillant Fuse 0020175834
Vaillant fuse 0020175834, a protective fuse used in Arotherm VWL 115/2 and VWL 155/2 A 230V heat pumps.
At a glance
- Also known as 1386310
£13.90
£11.58 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 0020175834 is a fuse used in Vaillant Arotherm air source heat pump installations. It protects the appliance's electrical circuit by breaking the supply if current exceeds the rated value. It is a service component for the VWL 115/2 and VWL 155/2 A 230V models.
Signs this part needs replacing
- The heat pump will not power up or run at all
- The control panel or display stays blank with the supply confirmed live
- The fuse shows a visibly blown element or darkened body
- A replacement fuse blows again shortly after fitting, indicating a circuit fault
Before you order
- Confirm the part number 0020175834 against the existing fuse or the appliance's parts list
- Check the rating markings on the failed fuse match the replacement
- Isolate the electrical supply before removing or fitting the fuse
- Investigate the cause of the failure before restoring power, as a fuse blowing usually points to an underlying fault
Compliance
| Alternative numbers | 1386310 |
|---|
| Make | Model / assembly | Reference | Years | Fitment |
|---|---|---|---|---|
| VAILLANT VWL 115/2 A 230V | — | — | — | |
| VAILLANT VWL 155/2 A 230V | — | — | — | |
| VAILLANT aroTHERM VWL 115/2 A 230V (2013) | — | — | — | |
| VAILLANT aroTHERM VWL 155/2 A 230V (2014) | — | — | — |
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.
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