Vaillant
Vaillant Fuse T4H 251957
Vaillant T4H 4.0 AT fuse, supplied as a set of 10, for use in compatible Vaillant gas boilers.
At a glance
- Also known as 1377482
Showing prices
£10.15
£8.46 ex. VAT · VAT at 20%
Available to order · 3 working days
Available to order · 3 working days
Not certain it's the right part? The technical team verifies fitment before dispatch — no charge, and it stops a second trip.Call the technical teamSend a technical question
Same-day dispatch
Ordered by 4pm Mon–Fri, 10:30am Sat.
30-day returns
Unused, in original packaging.
What it is
The Vaillant T4H fuse is a 4.0 AT electrical fuse supplied in a pack of 10. It is used in compatible Vaillant gas boilers to protect the appliance's electrical circuit. Vaillant part number 251957.
Signs this part needs replacing
- Boiler has no power or display
- Boiler does not respond when switched on
- Fuse fails continuity test or shows a visible break
- Fuse blows again after replacement
- Electrical fault causes loss of boiler function
Before you order
- Confirm your appliance model is listed in the Fits section.
- Check the existing fuse rating and type match 4.0 AT / T4H.
- Confirm the pack quantity meets your requirements; this is a set of 10.
- Isolate the boiler from the electrical supply before fitting.
Compliance
| GC number | E24-194 |
|---|---|
| Barcode / EAN | 4024074437445 |
| Alternative numbers | 1377482 |
| Make | Model / assembly | Reference | Years | Fitment |
|---|---|---|---|---|
| VAILLANT ECOmax 613 VU 126 E-C (2000-2001) | 41-044-20 | 41-044-20 | — | — |
| VAILLANT ECOmax 618 VU 196 E-C (2000-2001) | 41-044-21 | 41-044-21 | — | — |
| VAILLANT ECOmax 622 VU 246 E-C (2000-2001) | 41-044-22 | 41-044-22 | — | — |
| VAILLANT ECOmax 824 VUW 246 E-C (1999-2001) | 47-044-07 | 47-044-07 | — | — |
| VAILLANT ECOmax 828 VUW 286 E-C (1999-2001) | 47-044-08 | 47-044-08 | — | — |
| VAILLANT VAILLANT ECOMAX 1E VUW246 EC (47-044-07) | — | — | — | |
| VAILLANT VAILLANT ECOMAX 200 VUW286/2 C (47-044-24) | — | — | — | |
| VAILLANT VAILLANT ECOMAX 2E VUW246/2 EC (47-044-12) | — | — | — | |
| VAILLANT VAILLANT ECOMAX 2E VUW286 EC (47-044-17) | — | — | — | |
| VAILLANT VAILLANT ECOMAX 2E VUW356 C (47-044-27) | — | — | — |
Showing 10 of 106 compatible appliances.
Fitment listings are a guide, not a guarantee. Plant-room assemblies get modified on site more often than not. Send us the GC number off the data badge and a photo of the existing valve and we will confirm before anything is dispatched.
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.
manual
VAILLANT appliance manual — ECOmax 824 VUW 246 E-C (1999-2001) (GC 47-044-07), ECOmax 828 VUW 286 E-C (1999-2001) (GC 47-044-08), VUW 246 E-C (GC 47-044-07), VUW 286 E-C (GC 47-044-08)
manualmanualVAILLANT appliance manual — VKK 2006/3-E R1, VKK 2806/3-E R1, VKK 806/3-E R1, ecoCRAFT VKK 2006/3-E R1 (2012), ecoCRAFT VKK 2806/3-E R1 (2012), ecoCRAFT VKK 806/3-E R1 (2012)
manualmanualVAILLANT appliance manual — VU 126/2-C (GC 41-044-27), VU 186/2-C (GC 41-044-28), VU 226/2-C (GC 41-044-29), VU 356-C (GC 41-044-43), VU 356/2-C (GC 41-044-43), VUW 246/2-C (GC 47-044-12), VUW 286/2-C (GC 47-044-17), VUW 356-C (GC 47-044-27), ecoMAX 613/2E VU 126/2 C (2001-2006) (GC 41-044-27), ecoMAX 618/2E VU 186/2 C (2001-2006) (GC 41-044-28), ecoMAX 622/2E VU 226/2 C (2001-2006) (GC 41-044-29), ecoMAX 635 E VU 356-C (2004-2006) (GC 41-044-43), ecoMAX 635 VU 356/2-C (2006-2008) (GC 41-044-43), ecoMAX 824/2 E-C VUW 246/2 E-C (2001-2006) (GC 47-044-12), ecoMAX 828/2E VUW 286/2 C (2001-2006) (GC 47-044-17), ecoMAX 835E VUW 356 C (2002-2006) (GC 47-044-27)
manualmanualVAILLANT appliance manual — VU 446/5-5 (GC 41-694-28), VU 606/5-5 (GC 41-694-29), ecoTEC VU 446/5-5 (2018) (GC 41-694-28), ecoTEC VU 606/5-5 (2018) (GC 41-694-29)
manualmanualVAILLANT appliance manual — VU 656-7 (GC 41-044-59), ecoMAX 665 VU 656-7 (2006-2006) (GC 41-044-59)
manualmanualVAILLANT appliance manual — VU 806/5-5 R4 (GC 41-044-68), VU GB 1006/5-5 R2 (GC 41-044-69), VU GB 1006/5-5 R3 (GC 41-044-69), VU GB 1206/5-5 R2 (GC 41-044-70), VU GB 1206/5-5 R3 (GC 41-044-70), VU GB 806/5-5 R2 (GC 41-044-68), VU GB 806/5-5 R3 (GC 41-044-68), ecoTEC VU 806/5-5 R4 (2017) (GC 41-044-68), ecoTEC VU GB 1006/5-5 R2 (2013-2014) (GC 41-044-69), ecoTEC VU GB 1006/5-5 R3 (2014) (GC 41-044-69), ecoTEC VU GB 1206/5-5 R2 (2013-2014) (GC 41-044-70), ecoTEC VU GB 1206/5-5 R3 (2014) (GC 41-044-70), ecoTEC VU GB 806/5-5 R2 (2013-2014) (GC 41-044-68), ecoTEC VU GB 806/5-5 R3 (2014) (GC 41-044-68)
manualmanualVAILLANT appliance manual — VWS 101/2 230V, VWS 141/2, VWS 171/2, VWS 61/2 230V, VWS 81/2 230V
manualmanualVAILLANT appliance manual — VWS 103/2 230V GB, VWS 63/2 230V GB, VWS 83/2 230V GB
manualmanualVAILLANT appliance manual — VWS 220/2, VWS 300/2, VWS 380/2, VWS 460/2
manualmanualVAILLANT appliance manual — atmoCRAFT VK 1054/9 (2004-2013), atmoCRAFT VK 1154/9 (2004-2013), atmoCRAFT VK 1304/9 (2004-2013), atmoCRAFT VK 1504/9 (2004-2013), atmoCRAFT VK 1654/9 (2004-2013), atmoCRAFT VK 654/9 (2004-2013), atmoCRAFT VK 754/9 (2004-2013), atmoCRAFT VK 854/9 (2004-2013)
manualmanualVAILLANT appliance manual — ecoCRAFT VKK 1206/2-E (2006-2009), ecoCRAFT VKK 1606/2-E (2006-2009), ecoCRAFT VKK 2006/2-E (2006-2009), ecoCRAFT VKK 2406/2-E (2006-2009), ecoCRAFT VKK 2806/2-E (2006-2009), ecoCRAFT VKK 806/2-E (2006-2009)
manualmanualVAILLANT appliance manual — ecoCRAFT VKK 1206/3-E (2008-2012), ecoCRAFT VKK 1606/3-E (2008-2012), ecoCRAFT VKK 2006/3-E (2008-2012), ecoCRAFT VKK 2406/3-E (2008-2012), ecoCRAFT VKK 2806/3-E (2008-2012), ecoCRAFT VKK 806/3-E (2008-2012)
manualNo technical questions yet for this part.
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