
Vaillant
Vaillant Insulation Cap 0020174791
Insulation cap for Vaillant allSTOR VPS unvented cylinders, part number 0020174791.
At a glance
- Appliance family: allSTOR VPS unvented cylinders
- Also known as 1386260
£33.28
£27.73 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 insulation cap, part number 0020174791, is an insulation component for the allSTOR VPS range of unvented hot water cylinders. It is fitted to the cylinder to limit standing heat loss from that area. Vaillant lists it for the VPS 800 and VPS 1000 models.
Signs this part needs replacing
- Visible cracking, crumbling or compression of the insulation cap
- The cap no longer sits correctly or has come loose from the cylinder
- Increased standing heat loss from the cylinder
- Condensation or dampness around the insulated area
- Damage found during a service or cylinder inspection
Before you order
- Check the cylinder data plate to confirm the exact VPS model and variant
- Confirm part number 0020174791 against the manufacturer's parts list for your cylinder
- Check how many caps are required for the position being replaced
Compliance
| Alternative numbers | 1386260 |
|---|
| Make | Model / assembly | Reference | Years | Fitment |
|---|---|---|---|---|
| VAILLANT VPS 1000/3-5 | — | — | — | |
| VAILLANT VPS 800/3-5 | — | — | — | |
| VAILLANT VPS 800/3-7 | — | — | — | |
| VAILLANT allSTOR VPS 1000/3-5 | — | — | — | |
| VAILLANT allSTOR VPS 1000/3-5 (2015) | — | — | — | |
| VAILLANT allSTOR VPS 800/3-5 | — | — | — | |
| VAILLANT allSTOR VPS 800/3-5 (2015) | — | — | — | |
| VAILLANT allSTOR VPS 800/3-7 | — | — | — | |
| VAILLANT allSTOR VPS 800/3-7 (2015) | — | — | — |
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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