Ferroli
Ferroli By Pass Pipe 34201990
Ferroli by pass pipe for Optimax HE 31C and Optimax HE PLUS 31C boiler models.
At a glance
- Appliance family: Optimax HE
£51.85
£43.21 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 By Pass Pipe is a Ferroli component intended for use in the Optimax HE range of gas boilers. It forms part of the boiler's hydraulic circuit, allowing flow to bypass the main heat exchanger under the conditions set by the appliance's design. It is supplied under Ferroli part number 34201990.
Signs this part needs replacing
- Visible corrosion, scale build-up or pitting on the pipe
- Weeping or leaking from the pipe joints or connections
- Restricted or blocked flow through the bypass circuit
- Overheating or erratic temperature behaviour traced to poor bypass flow
- Discolouration or deformation indicating prolonged heat exposure
Before you order
- Confirm the boiler model matches one of the listed Optimax HE variants
- Check the existing pipe for the same part number marking before ordering
- Inspect associated seals, washers and connections for wear, as these are not supplied with the pipe
Compliance
| Alternative numbers | FER34201990 |
|---|
| Make | Model / assembly | Reference | Years | Fitment |
|---|---|---|---|---|
| FERROLI FERROLI OPTIMAX HE 31C | — | — | — | |
| FERROLI FERROLI OPTIMAX HE PLUS 31C V1 | — | — | — | |
| FERROLI FERROLI OPTIMAX HE PLUS 31C V2 | — | — | — |
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.
No technical questions yet for this part.
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