Ferroli
Ferroli Gas Valve O'ring Lower 39820520
Lower gas valve O-ring for the Ferroli Pegasus F3N boiler, supplied under part number 39820520.
At a glance
- Appliance family: Ferroli Pegasus F3N
- Work on the gas valve must be carried out by a Gas Safe registered engineer
£6.92
£5.77 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 lower gas valve O-ring for Ferroli gas valves, manufactured by Ferroli and identified by part number 39820520. It forms the lower seal on the gas valve assembly, preventing gas escape at that joint on the Ferroli Pegasus F3N boiler. The O-ring is a small but critical sealing component in the gas train.
Signs this part needs replacing
- A smell of gas around the boiler or gas valve area
- Visible weeping or staining at the lower gas valve joint
- Soapy water test shows bubbles at the lower valve seal
- The existing O-ring is perished, flattened, cracked or swollen
Before you order
- Confirm the boiler model is the Ferroli Pegasus F3N
- Check the existing O-ring position and condition before removal
- Verify the part number 39820520 against the old component where markings allow
- Work on the gas valve must be carried out by a Gas Safe registered engineer
Compliance
| Alternative numbers | FER39820520 |
|---|
| Make | Model / assembly | Reference | Years | Fitment |
|---|---|---|---|---|
| FERROLI FERROLI PEGASUS F3N | — | — | — |
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 documents held for this part. The technical team will source them from the manufacturer — usually the same working day.
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