Potterton
Potterton Expansion Hole Insulation 235-930 KW 5132290
Expansion hole insulation for Potterton Commercial Arizona 99-930 boilers, sized for the 235-930 kW model range.
£14.40
£12.00 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 expansion hole insulation is a Potterton Commercial spare supplied for the Arizona 99-930 boiler range. It insulates the expansion hole area of the appliance, sitting within the boiler casing to limit heat loss and protect surrounding components from sustained high temperatures. This item is specified for the 235-930 kW model range.
Signs this part needs replacing
- The existing insulation is crumbling, frayed or visibly degraded
- Insulation material is missing or has become detached from the expansion hole area
- Heat staining, discolouration or scorching around the expansion hole
- The insulation is damaged or displaced during routine servicing or burner work
Before you order
- Confirm the boiler model is a Potterton Commercial Arizona 99-930
- Check the appliance falls within the 235-930 kW model range
- Inspect the expansion hole area to confirm the insulation is the component required
- Have the appliance details and part number to hand when ordering
No specification data held for this part.
| Make | Model / assembly | Reference | Years | Fitment |
|---|---|---|---|---|
| POTTERTON COMMERCIAL ARIZONA 99-930 | — | — | — | |
| POTTERTON COMMERCIAL POTTERTON COMMERCIAL SPARES | — | — | — |
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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