
Potterton
Potterton Mixer With By-Pass Valve 38mm 5142385
Potterton mixer with by-pass valve, 38mm, part number 5142385, for Potterton Commercial Sirius boilers.
£110.40
£92.00 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 Potterton mixer with by-pass valve, 38 mm (FS110), part number 5142385, is a boiler water mixing component fitted within the appliance water circuit. It combines a mixing body with an integrated by-pass valve, and is used on Potterton Commercial Sirius boiler installations.
Signs this part needs replacing
- Flow temperature that fluctuates or cannot be held steady
- Poor mixing control between the flow and return connections
- By-pass valve failing to open or close correctly, causing noise or overheating
- Water weeping from the mixer body or its connections
- Scale or debris build-up restricting movement inside the valve
Before you order
- Confirm the appliance model against the fit list above
- Confirm the connection size required is 38 mm
- Check the part number on the existing component where it is visible
- For WH90 and WH110 models, confirm the appliance was manufactured from April 2016 onwards where this applies
No specification data held for this part.
| Make | Model / assembly | Reference | Years | Fitment |
|---|---|---|---|---|
| POTTERTON COMMERCIAL POTTERTON COMMERCIAL SPARES | — | — | — | |
| POTTERTON COMMERCIAL SIRIUS 2 FS110 | — | — | — | |
| POTTERTON COMMERCIAL SIRIUS 2 FS90 | — | — | — | |
| POTTERTON COMMERCIAL SIRIUS 2 WH110 (FROM APRIL 2016) | — | — | — | |
| POTTERTON COMMERCIAL SIRIUS 2 WH90 (FROM APRIL 2016) | — | — | — | |
| POTTERTON COMMERCIAL SIRIUS 3 FS110 | — | — | — |
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.
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