Potterton
Potterton Sealing Washer COMC133221
Sealing washer for Potterton Commercial boilers, used to seal joints on the Derwent Compact A burner and related assemblies.
At a glance
- Part type: sealing washer
£36.00
£30.00 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 Potterton COMC133221 is a sealing washer used on Potterton Commercial boiler appliances. It forms a seal at the joint where it is fitted, preventing leakage from the connection it serves. It is supplied as a single washer for use during service and repair work.
Signs this part needs replacing
- Visible water or gas weeping at the joint the washer seals
- Damp staining, corrosion or residue around the connection
- The washer is hardened, flattened or cracked
- The washer is deformed, split or has lost its shape
- Leakage returns after the joint is re-tightened
Before you order
- Confirm your appliance model against the fitment list above
- Check the part number COMC133221 matches the item you are replacing
- Inspect the joint and surrounding components for related damage before reassembly
- Isolate the appliance and allow it to cool before starting work
No specification data held for this part.
| Make | Model / assembly | Reference | Years | Fitment |
|---|---|---|---|---|
| POTTERTON COMMERCIAL DERWENT COMPACT A BURNER | — | — | — | |
| 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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