
Potterton
Potterton Washer M20 Model 75 - 99 kW 5132299
M20 sealing washer for Potterton Commercial boilers in the 75 to 99 kW model range.
At a glance
- Part type: washer
£4.68
£3.90 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 Potterton Washer M20 is a sealing washer for Potterton Commercial boilers in the 75 to 99 kW model range. It is fitted at an M20 threaded connection to seal the joint and prevent water loss. The part is supplied as a Potterton Commercial spares component.
Signs this part needs replacing
- Water weeping or dripping from an M20 joint
- Visible corrosion, cracking or flattening of the washer face
- A joint that continues to seep after tightening
- Traces of scale or staining around the connection
Before you order
- Confirm the appliance model falls within the stated 75 to 99 kW range
- Check the connection is M20 before fitting
- Inspect the mating faces of the joint for damage or debris
- Consider whether more than one washer is required for the repair
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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