
Potterton
Potterton Air Pressure Switch 5105574
Air pressure switch for Potterton Suprima L series boilers, manufacturer part number 5105574.
At a glance
- Also known as 1123553, N7694
- Installation should be carried out by a Gas Safe registered engineer
£81.96
£68.30 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 an air pressure switch for Potterton Suprima L series boilers. It is manufactured by Potterton under part number 5105574 and carries the Honeywell reference C4065FH1008:2. The switch monitors air pressure to ensure safe operation of the boiler's combustion system.
Signs this part needs replacing
- Boiler fails to ignite
- Repeated lockouts
- Fan runs but burner does not fire
- Intermittent heating or hot water
Before you order
- Check your boiler model and GC number against the fitment list
- Confirm the part number 5105574 matches your existing switch
- Ensure the Honeywell reference C4065FH1008:2 is compatible
- Installation should be carried out by a Gas Safe registered engineer
Compliance
| GC number | E78-478 |
|---|---|
| Barcode / EAN | 5039177643166 |
| Alternative numbers | 1123553, N7694 |
| Make | Model / assembly | Reference | Years | Fitment |
|---|---|---|---|---|
| POTTERTON POTTERTON SUPRIMA 100 L | — | — | — | |
| POTTERTON POTTERTON SUPRIMA 30 L | — | — | — | |
| POTTERTON POTTERTON SUPRIMA 60 L | — | — | — | |
| POTTERTON SUPRIMA 100 L | 41-590-48 | 41-590-48 | — | — |
| POTTERTON SUPRIMA 30 L | 41-590-42 | 41-590-42 | — | — |
| POTTERTON SUPRIMA 60 L | 41-590-45 | 41-590-45 | — | — |
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.
Not sure which part?
Search by part number, product name or brand — our technical team confirms fitment before anything is dispatched.
