
Potterton
Potterton Flow Protection Device (110C) 5142133
Flow protection device rated at 110C for Potterton Commercial Sirius FS 400 and FS 525 boilers.
At a glance
- Appliance family: Potterton Commercial Sirius FS
£80.40
£67.00 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 FLOW PROTECTION DEVICE (110C) is a Potterton Commercial safety component fitted to Sirius FS commercial gas boilers. It monitors flow conditions within the appliance and acts as a protective cut-out, shutting the boiler down when the set threshold is reached. It is supplied as a spare part under Potterton part number 5142133.
Signs this part needs replacing
- The boiler locks out or shuts down on a safety trip during or shortly after firing.
- The device has tripped and will not reset.
- Repeated high-limit shutdowns as the appliance reaches operating temperature.
- Overheat or flow faults that recur after other likely causes have been checked.
- Visible damage, corrosion or leakage around the device body or its connections.
Before you order
- Confirm the appliance is a Potterton Commercial Sirius FS 400 or FS 525, as the device is listed for these models only.
- Check the part number 5142133 against the marking on the component being replaced.
- Confirm the 110C rating matches the device currently fitted.
- Commercial boiler repair should be carried out by a competent heating engineer.
No specification data held for this part.
| Make | Model / assembly | Reference | Years | Fitment |
|---|---|---|---|---|
| POTTERTON COMMERCIAL POTTERTON COMMERCIAL SPARES | — | — | — | |
| POTTERTON COMMERCIAL SIRIUS FS 400 | — | — | — | |
| POTTERTON COMMERCIAL SIRIUS FS 525 | — | — | — |
Documents & drawings
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