
Vaillant
Vaillant MAG Reversing Cock 950183
Vaillant 950183 reversing cock for MAG 250/7 W, MAG 325/7 W and MAG 400/7 W appliances.
At a glance
- Part type: reversing cock
- Also known as 1378374
£182.03
£151.69 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 Vaillant 950183 is a reversing cock supplied by Vaillant for use in MAG series water heaters. It forms part of the water circuit on these appliances, controlling flow direction through the relevant connection. The part is identified by the manufacturer part number 950183.
Signs this part needs replacing
- Water weeping or dripping from the reversing cock body or its connections
- Stiff or seized operation when the cock is turned
- Scale or corrosion visible around the valve seating
- Reduced or irregular water flow through the affected connection
- Water tracking onto surrounding components in the appliance
Before you order
- Confirm the appliance model matches one of the listed MAG variants
- Check the existing part number 950183 against the component being replaced
- Inspect the surrounding pipework and connections for damage before fitting
- Verify the fault lies with the reversing cock rather than an adjacent component in the water circuit
Compliance
| Alternative numbers | 1378374 |
|---|
| Make | Model / assembly | Reference | Years | Fitment |
|---|---|---|---|---|
| VAILLANT MAG 250/7 W (1977-1992) | — | — | — | |
| VAILLANT MAG 325/7 W (1977-1992) | — | — | — | |
| VAILLANT MAG 400/7 W (1977-1992) | — | — | — | |
| VAILLANT MAG SINE 250/7 W (1977-1992) | — | — | — | |
| VAILLANT MAG SINE 325/7 W (1977-1993) | — | — | — |
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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