Vaillant
Vaillant Screw 4.2X3.5mm 105910
Vaillant screw 4.2x3.5mm, part number 105910, for use in various Vaillant gas boilers.
At a glance
- Also known as SCREW-42X35MM, 1375422
£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 screw 4.2x3.5mm (part number 105910) is a fastening component used in the assembly of Vaillant gas boilers. It is supplied by Vaillant for use across the Ecotec PLUS, VU and Ecomax PRO appliance families. The screw secures internal components where a 4.2mm diameter and 3.5mm length thread is specified.
Signs this part needs replacing
- The screw head is rounded or damaged, making it difficult to turn with a screwdriver.
- The screw is corroded or rusted, weakening its hold.
- The screw has stripped threads, preventing it from tightening securely.
- The screw is missing or loose, causing components to become insecure.
- The screw cannot be reused after removal due to deformation.
Before you order
- Check the part number 105910 matches the screw you need.
- Confirm your boiler model is listed in the Fits section.
- Verify the screw size (4.2 x 3.5 mm) is correct for the application.
- Check how many screws are required for the repair.
Compliance
| Barcode / EAN | 4024074433034 |
|---|---|
| Alternative numbers | SCREW-42X35MM, 1375422 |
| Make | Model / assembly | Reference | Years | Fitment |
|---|---|---|---|---|
| VAILLANT VAILLANT ECOTEC PLUS 415 VU GB 156-2-0H | — | — | — | |
| VAILLANT VAILLANT ECOTEC PLUS 418 VU GB 186-2-0H | — | — | — | |
| VAILLANT VAILLANT ECOTEC PLUS 428 VU GB 286-2-0H | — | — | — | |
| VAILLANT VAILLANT ECOTEC PLUS 438 VU GB 386-2-0H | — | — | — | |
| VAILLANT VU 156 | 41-044-53 | 41-044-53 | — | — |
| VAILLANT VU 186 | 41-044-54 | 41-044-54 | — | — |
| VAILLANT VU 186-O | 41-044-30 | 41-044-30 | — | — |
| VAILLANT VU 286 | 41-044-55 | 41-044-55 | — | — |
| VAILLANT VU 286-O | 41-044-31 | 41-044-31 | — | — |
| VAILLANT VU 386 | 41-044-57 | 41-044-57 | — | — |
Showing 10 of 24 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.
VAILLANT appliance manual — VU 156 (GC 41-044-53), VU 186 (GC 41-044-54), VU 286 (GC 41-044-55), VU 286-O (GC 41-044-31), VU 386 (GC 41-044-57), ecoTEC PLUS 415 VU 156 (2006) (GC 41-044-53), ecoTEC PLUS 418 VU 186 (2006) (GC 41-044-54), ecoTEC PLUS 428 VU 286 (2006) (GC 41-044-55), ecoTEC PLUS 438 VU 386 (2006) (GC 41-044-57)
manualmanualVAILLANT appliance manual — VU 186-O (GC 41-044-30), ecoMAX PRO 18E VU 186-0 (2003-2006) (GC 41-044-30), ecoMAX PRO 28E VU 286-0 (2003-2006) (GC 41-044-31)
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