Main
Main Pipe Flow 5113289
Main 5113289 flow pipe assembly for Main System and Potterton Performa System HE gas boilers.
At a glance
- Also known as 1123791
Showing prices
£26.77
£22.31 ex. VAT · VAT at 20%
Available to order · 7 working days
Available to order · 7 working days
Not certain it's the right part? The technical team verifies fitment before dispatch — no charge, and it stops a second trip.Call the technical teamSend a technical question
Same-day dispatch
Ordered by 4pm Mon–Fri, 10:30am Sat.
30-day returns
Unused, in original packaging.
What it is
The Main 5113289 is a flow pipe assembly listed for Main System and Potterton Performa System HE gas boilers. It forms part of the appliance's pipework and is supplied as a pipe assembly component for the models below.
Signs this part needs replacing
- Visible corrosion, pitting or scaling on the pipe surface
- Weeping or dripping at pipe joints or connections
- Restricted or reduced flow through the heating circuit
- Kettling, banging or localised overheating linked to a restricted pipe
- Physical damage or deformation to the pipe
Before you order
- Confirm the appliance model and GC number against the fit list above
- Check the part number on the existing component or against the manufacturer's parts list
- Inspect adjacent pipework, seals and connections before fitting
Compliance
| Alternative numbers | 1123791 |
|---|
| Make | Model / assembly | Reference | Years | Fitment |
|---|---|---|---|---|
| MAIN MAIN SYSTEM 24HE | 41-467-02 | 41-467-02 | — | — |
| MAIN MAIN SYSTEM 28HE | 41-467-03 | 41-467-03 | — | — |
| POTTERTON PERFORMA SYSTEM 12HE | 41-591-24 | 41-591-24 | — | — |
| POTTERTON PERFORMA SYSTEM 18HE | 41-591-25 | 41-591-25 | — | — |
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.
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.