Potterton
Potterton 430054 Suprima/Envoy auto air vent (AAV)
At a glance
- Also known as 1122983, POTTERTON430054
- Work on the boiler's sealed system should be carried out by a Gas Safe registered engineer
Showing prices
£42.00
£35.00 ex. VAT · VAT at 20%
In stock
Cut-off passed — dispatches next working day
Not certain it's the right part? The technical team verifies fitment before dispatch — no charge, and it stops a second trip.
Same-day dispatch
Ordered by 4pm Mon–Fri, 10:30am Sat.
30-day returns
Unused, in original packaging.
What it is
Part number 430054 is an automatic air vent (AAV), fitted to a Potterton boiler to bleed trapped air from the system automatically. It is produced under the Potterton brand within the Baxi Group.
Signs this part needs replacing
- Weeping or dripping water from the vent body
- Air noise or gurgling in the system that persists after bleeding radiators
- Reduced heat output from radiators caused by trapped air
- Visible corrosion, or a stuck/seized valve cap
Before you order
- Match the part number printed on the existing air vent before ordering
- Isolate the boiler's electrical power and allow the system to cool before removal
- Drain down or isolate the affected section of the system before fitting, to limit water loss
- Work on the boiler's sealed system should be carried out by a Gas Safe registered engineer
Compliance
| GC number | 173-159 |
|---|---|
| Alternative numbers | 5039177637479, 7625869984174, POTTERTON430054, BAXI430054, BAXI430054, BAXI430054, 265075902349, 1122983 |
| Make | Model / assembly | Reference | Years | Fitment |
|---|---|---|---|---|
| POTTERTON ENVOY FLOWSURE & FLOWSURE+ | 41-607-89 | 41-607-89 | — | — |
| POTTERTON ENVOY SYSTEM 30 | 41-607-84 | 41-607-84 | — | — |
| POTTERTON ENVOY SYSTEM 40 | 41-607-85 | 41-607-85 | — | — |
| POTTERTON ENVOY SYSTEM 50 | 41-607-86 | 41-607-86 | — | — |
| POTTERTON ENVOY SYSTEM 60 | 41-607-87 | 41-607-87 | — | — |
| POTTERTON ENVOY SYSTEM 80 | 41-607-88 | 41-607-88 | — | — |
| POTTERTON SUPRIMA 100 | 41-607-82 | 41-607-82 | — | — |
| POTTERTON SUPRIMA 30 | 41-607-75 | 41-607-75 | — | — |
| POTTERTON SUPRIMA 40 | 41-607-76 | 41-607-76 | — | — |
| POTTERTON SUPRIMA 50 | 41-607-77 | 41-607-77 | — | — |
Showing 10 of 13 compatible appliances.
Fitment listings are a guide, not a guarantee. Plant-room assemblies get modified on site more often than not. Send us the GC number off the data badge and a photo of the existing valve and we will confirm before anything is dispatched.
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.
manual
POTTERTON appliance manual — ENVOY FLOWSURE & FLOWSURE+ (GC 41-607-89)
manualmanualPOTTERTON appliance manual — ENVOY SYSTEM 30 (GC 41-607-84), ENVOY SYSTEM 40 (GC 41-607-85), ENVOY SYSTEM 50 (GC 41-607-86), ENVOY SYSTEM 60 (GC 41-607-87), ENVOY SYSTEM 80 (GC 41-607-88)
manualmanualPOTTERTON appliance manual — SUPRIMA 100 (GC 41-607-82)
manualmanualPOTTERTON appliance manual — SUPRIMA 30 (GC 41-607-75), SUPRIMA 40 (GC 41-607-76), SUPRIMA 50 (GC 41-607-77), SUPRIMA 60 (GC 41-607-78), SUPRIMA 70 (GC 41-607-79), SUPRIMA 80 (GC 41-607-80)
manualNo technical questions yet for this part.
Not sure which part?
Tell the parts assistant what it's going into — the appliance make and model, or the GC number off the data badge — and it will check this part is on the fit list.