
Ferroli
Ferroli Bypass Pipe Expansion Vessel 3841G571
Ferroli 3841G571 bypass pipe for the expansion vessel, used on Modena HE and T-ONE HE combi boilers.
At a glance
- Appliance family: Modena HE and T-ONE HE
- Also known as 3510299
£14.42
£12.02 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 Ferroli 3841G571 is a bypass pipe for the expansion vessel, used on Ferroli Modena HE and T-ONE HE combi boilers. It connects the expansion vessel to the boiler's hydraulic circuit, allowing water to move between the vessel and the primary circuit as system pressure changes. It is a serviceable pipe component rather than a vessel or valve.
Signs this part needs replacing
- Visible corrosion, pitting or scale on the pipe surface
- Weeping or dripping from the pipe or its connections
- Unexplained loss of system pressure traced to the vessel pipework
- Expansion vessel failing to hold charge, with pressure fluctuating during operation
Before you order
- Confirm your boiler model against the fit list above
- Check the part number on the existing pipe or against the manufacturer's parts list
- Inspect the expansion vessel and its connections for related faults before ordering
Compliance
| Alternative numbers | FER3841G571, 3510299 |
|---|
| Make | Model / assembly | Reference | Years | Fitment |
|---|---|---|---|---|
| FERROLI MODENA 25C HE NG | 47-267-58 | 47-267-58 | — | — |
| FERROLI MODENA 27C HE LPG - 30K1045003 (01/12/2013) | 47-267-57 | 47-267-57 | — | — |
| FERROLI MODENA 27C HE NG - 30K1045003 (01/12/2013) | 47-267-57 | 47-267-57 | — | — |
| FERROLI MODENA 30C HE NG | 47-267-56 | 47-267-56 | — | — |
| FERROLI MODENA 32C HE LPG - 30K1045003 (01/12/2013) | 47-267-55 | 47-267-55 | — | — |
| FERROLI MODENA 32C HE NG - 30K1045003 (01/12/2013) | 47-267-55 | 47-267-55 | — | — |
| FERROLI T-ONE 25C HE | 47-267-59 | 47-267-59 | — | — |
| FERROLI T-ONE 30C HE | 47-267-60 | 47-267-60 | — | — |
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.
FERROLI appliance manual — MODENA 25C HE NG (GC 47-267-58), MODENA 27C HE LPG - 30K1045003 (01/12/2013) (GC 47-267-57), MODENA 27C HE NG - 30K1045003 (01/12/2013) (GC 47-267-57), MODENA 30C HE NG (GC 47-267-56), MODENA 32C HE LPG - 30K1045003 (01/12/2013) (GC 47-267-55), MODENA 32C HE NG - 30K1045003 (01/12/2013) (GC 47-267-55)
manualmanualFERROLI appliance manual — T-ONE 25C HE (GC 47-267-59), T-ONE 30C HE (GC 47-267-60)
manualNo technical questions yet for this part.
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