Potterton
Potterton Burner Door Silicone Seal 5142125
Silicone seal for the burner door on Potterton Commercial Sirius FS 400 and FS 525 boilers, part number 5142125.
£165.60
£138.00 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
This is the burner door silicone seal for Potterton Commercial boilers, supplied under part number 5142125. It sits at the burner door face and forms the gas-tight joint between the door and the appliance body. The seal is a service item for the Potterton Commercial Sirius FS range.
Signs this part needs replacing
- Visible hardening, cracking or flattening of the silicone seal
- The burner door shows signs of combustion staining or soot tracking around its edge
- The seal has been disturbed or damaged during burner door removal for servicing
- Combustion readings or flue gas analysis drift away from expected figures after the burner door is refitted
Before you order
- Confirm the appliance is a Potterton Commercial Sirius FS 400 or FS 525
- Check the part number 5142125 against the seal or the appliance documentation
- Inspect the burner door face for corrosion or damage that could prevent a clean seal
- Confirm the existing seal has been removed and the mating surfaces are clean before fitting
No specification data held for this part.
| Make | Model / assembly | Reference | Years | Fitment |
|---|---|---|---|---|
| POTTERTON COMMERCIAL POTTERTON COMMERCIAL SPARES | — | — | — | |
| POTTERTON COMMERCIAL SIRIUS FS 400 | — | — | — | |
| POTTERTON COMMERCIAL SIRIUS FS 525 | — | — | — |
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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