Vaillant
Vaillant Knob 143950
Vaillant control knob, part number 143950, for VK and VKS series boilers and Unistor and Vantage cylinders.
At a glance
- Part type: control knob
- Also known as 1376142
£9.60
£8.00 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 Vaillant 143950 is a control knob used on Vaillant VK and VKS series boilers and on Unistor and Vantage cylinders. It fits onto the appliance control spindle and is turned by hand to adjust the setting it controls. The part supersedes 37475.
Signs this part needs replacing
- The knob is cracked or split around the spindle
- The knob is missing from the appliance
- The knob turns freely without moving the spindle
- The knob is loose and slips on the shaft
- The grip or markings on the knob are worn away
Before you order
- Confirm the appliance model against the fit list above
- Check the part number on the existing knob where it is still legible
- Check the spindle the knob mounts to is undamaged and turns correctly
Compliance
| Barcode / EAN | 4024074135792 |
|---|---|
| Alternative numbers | 1376142 |
| Make | Model / assembly | Reference | Years | Fitment |
|---|---|---|---|---|
| VAILLANT VK 35/1 E (1985-1991) | 41-044-37 | 41-044-37 | — | — |
| VAILLANT VK 35/1 E (1991-1993) | 41-044-37 | 41-044-37 | — | — |
| VAILLANT VK 41/1 E (1985-1991) | 41-044-38 | 41-044-38 | — | — |
| VAILLANT VK 41/1 E (1991-1993) | 41-044-38 | 41-044-38 | — | — |
| VAILLANT VK 47/1 E (1985-1991) | — | — | — | |
| VAILLANT VK 48/1 E (1985-1991) | 41-044-39 | 41-044-39 | — | — |
| VAILLANT VK 48/1 E (1991-1993) | 41-044-39 | 41-044-39 | — | — |
| VAILLANT VK 58/1 E (1985-1991) | 41-044-40 | 41-044-40 | — | — |
| VAILLANT VK 58/1 E (1991-1993) | 41-044-40 | 41-044-40 | — | — |
| VAILLANT VK 76/1 E (1985-1991) | 41-044-41 | 41-044-41 | — | — |
Showing 10 of 29 compatible appliances.
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.
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