
Vaillant
Vaillant Insulation Below 0020085709
Base insulation panel for the Vaillant Allstor VPS 500/2 unvented cylinder, fitted below the vessel.
At a glance
- Also known as 1387644
£126.58
£105.48 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
This is the below-cylinder insulation component for the Vaillant Allstor VPS 500/2 unvented hot water cylinder. It sits at the base of the vessel and limits standing heat loss through the underside of the cylinder. It is supplied as a Vaillant service part under number 0020085709.
Signs this part needs replacing
- Visible cracking, crumbling or breakdown of the insulation material
- Compression or flattening of the base insulation, reducing its thickness
- Damp or water-stained insulation around the base of the cylinder
- Insulation detached or missing from the underside of the vessel
- Higher than expected standing heat loss from the cylinder base
Before you order
- Confirm the cylinder model and year against the data badge on the vessel
- Check the condition and position of the existing base insulation before removal
- Verify that the part number 0020085709 matches the component being replaced
Compliance
| Alternative numbers | 1387644 |
|---|
| Make | Model / assembly | Reference | Years | Fitment |
|---|---|---|---|---|
| VAILLANT allSTOR VPS 500/2 (2009) | — | — | — |
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 documents held for this part. The technical team will source them 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.
