Potterton
Potterton Air Vent 5142353
Potterton automatic air vent with a 3/8 inch connection, used on Potterton Commercial Sirius 2 and Sirius 3 boilers.
£30.00
£25.00 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 a Potterton automatic air vent with a 3/8 inch connection, supplied under part number 5142353. It fits Potterton Commercial Sirius 2 and Sirius 3 boiler ranges and releases trapped air from the system automatically during normal operation.
Signs this part needs replacing
- Water weeping or dripping from the vent body or cap
- Persistent air noise at the vent point after the system has been bled
- Repeated air locking or gurgling in the boiler or system pipework
- Scale or corrosion deposits around the vent seat causing it to stay open
- System pressure that will not hold steady with no other visible leak
Before you order
- Confirm the connection size on the existing vent is 3/8 inch
- Check the appliance model against the fit list above before ordering
- Isolate and depressurise the system, and allow it to cool, before removal
- Have a suitable sealant or sealing washer to hand for refitting
No specification data held for this part.
| Make | Model / assembly | Reference | Years | Fitment |
|---|---|---|---|---|
| POTTERTON COMMERCIAL POTTERTON COMMERCIAL SPARES | — | — | — | |
| POTTERTON COMMERCIAL SIRIUS 2 FS110 | — | — | — | |
| POTTERTON COMMERCIAL SIRIUS 2 FS50 | — | — | — | |
| POTTERTON COMMERCIAL SIRIUS 2 FS70 | — | — | — | |
| POTTERTON COMMERCIAL SIRIUS 2 FS90 | — | — | — | |
| POTTERTON COMMERCIAL SIRIUS 2 WH110 (FROM APRIL 2016) | — | — | — | |
| POTTERTON COMMERCIAL SIRIUS 2 WH90 (FROM APRIL 2016) | — | — | — | |
| POTTERTON COMMERCIAL SIRIUS 3 FS110 | — | — | — | |
| POTTERTON COMMERCIAL SIRIUS 3 FS50 | — | — | — | |
| POTTERTON COMMERCIAL SIRIUS 3 FS70 | — | — | — |
Showing 10 of 11 compatible appliances.
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.
POTTERTON COMMERCIAL appliance manual — SIRIUS 2 FS110, SIRIUS 2 FS50, SIRIUS 2 FS70, SIRIUS 2 FS90
manualmanualPOTTERTON COMMERCIAL appliance manual — SIRIUS 2 WH110 (FROM APRIL 2016), SIRIUS 2 WH90 (FROM APRIL 2016)
manualmanualPOTTERTON COMMERCIAL appliance manual — SIRIUS 3 FS110, SIRIUS 3 FS50, SIRIUS 3 FS70, SIRIUS 3 FS90
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