Potterton
Potterton Mixer Big Biclap Dia 30mm 5141399
Potterton Commercial gas/air mixer, 30mm diameter, for Sirius 2 and Sirius 3 WH70 boilers.
At a glance
- Appliance family: Potterton Commercial Sirius
£132.00
£110.00 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 Mixer Big Biclap Dia 30mm is a gas/air mixing component supplied by Potterton Commercial for its commercial boiler range. It forms part of the combustion air and gas delivery path on the appliance, where the two streams are blended before reaching the burner. It is listed under Potterton Commercial spare parts for the Sirius boiler family.
Signs this part needs replacing
- Unstable or erratic flame pattern at the burner
- Combustion readings drifting outside the expected range with no other cause found
- Visible damage, distortion or contamination of the mixer body
- Whistling or abnormal noise from the air/gas mixing area
- Repeated lockouts traced to the combustion circuit rather than ignition or gas supply
Before you order
- Confirm the appliance model against the Sirius 2 WH70 or Sirius 3 WH70 listings before ordering
- Check the existing mixer diameter and body marking to confirm the 30mm size
- Verify the part number 5141399 on the appliance documentation or the component itself
- Ensure any combustion checks and gas-side work are carried out by a competent person
No specification data held for this part.
| Make | Model / assembly | Reference | Years | Fitment |
|---|---|---|---|---|
| POTTERTON COMMERCIAL POTTERTON COMMERCIAL SPARES | — | — | — | |
| POTTERTON COMMERCIAL SIRIUS 2 WH70 | — | — | — | |
| POTTERTON COMMERCIAL SIRIUS 3 WH70 | — | — | — |
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 technical questions yet for this part.
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