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Vaillant Spark Generator 091258 – Ignition Unit for Vaillant Boilers

Original price was: £49.99.Current price is: £24.99.

  • Vaillant Spark Generator
  • Part Number: 091258
  • Condition: Brand New
  • Comes with 12-months warranty
  • Compatible with Vaillant Ecofit, Ecotec, and Home boiler ranges

In stock

SKU: VLT-SPR-IGN-1258-N Category: Tag:

Manufacturer Part Number: 091258
Image of Vaillant brand logo

Description

Vaillant Igniter 091258 – Ignition Unit for Vaillant Boilers

The Vaillant spark generator 091258 produces the spark needed to ignite your boiler safely. This boiler ignition generator ensures quick and reliable burner start every time. The part number 091258 supports correct fit and easy installation. A faulty spark generator can stop ignition, so replacing it restores proper boiler operation and heating performance.

Compatible Boilers

This part is compatible with the following models:

Vaillant Ecofit Pure Series

  • Ecofit Pure 412 VU 126/6-3 Ov (H-GB) – GC 41-694-08 (0010020400)
  • Ecofit Pure 415 VU 156/6-3 Ov (H-GB) – GC 41-694-09 (0010020401)
  • Ecofit Pure 418 VU 186/6-3 Ov (H-GB) – GC 41-694-10 (0010020402)
  • Ecofit Pure 425 VU 256/6-3 Ov (H-GB) – GC 41-694-11 (0010020403)
  • Ecofit Pure 430 VU 306/6-3 Ov (H-GB) – GC 41-694-12 (0010020404)
  • Ecofit Pure 435 VU 356/6-3 Ov (H-GB) – GC 41-694-19 (0010020405)
  • Ecofit Pure 612 System VU 126/6-3 (H-GB) – GC 41-694-03 (0010020395)
  • Ecofit Pure 615 System VU 156/6-3 (H-GB) – GC 41-694-04 (0010020396)
  • Ecofit Pure 618 System VU 186/6-3 (H-GB) – GC 41-694-05 (0010020397)
  • Ecofit Pure 625 System VU 256/6-3 (H-GB) – GC 41-694-06 (0010020398)
  • Ecofit Pure 630 System VU 306/6-3 (H-GB) – GC 41-694-07 (0010020399)
  • Ecofit Pure 825 Combi VUW 256/6-3 (H-GB) – GC 47-044-68
  • Ecofit Pure 830 Combi VUW 306/6-3 (H-GB) – GC 47-044-74
  • Ecofit Pure 835 Combi VUW 356/6-3 (H-GB) – GC 47-044-70

Vaillant Sustain Series

  • Sustain 825 VUW 256/6-3 (H-GB) – GC 47-044-71
  • Sustain 830 VUW 306/6-3 (H-GB) – GC 47-044-72
  • Sustain 835 VUW 356/6-3 (H-GB) – GC 47-044-73

Vaillant Ecomax Pro Series

  • Ecomax Pro 18 E VU 186-0 2003-2007 – GC 41-044-30
  • Ecomax Pro 28 E VU 286-0 2003-2007 – GC 41-044-31

Vaillant Ecotec Plus Series

  • Ecotec Plus 412 VU 126/6-5 Ov 2015-2016 – GC 41-044-71
  • Ecotec Plus 412 VU 126/6-5 OVZ 2016-2019 – GC 41-694-13 (0010021220)
  • Ecotec Plus 415 VU 156/6-5 Ov 2015-2016 – GC 41-044-72
  • Ecotec Plus 415 VU 156/6-5 OVZ 2016-2019 – GC 41-694-14 (0010021221)
  • Ecotec Plus 418 VU 186/6-5 Ov 2015-2016 – GC 41-044-73
  • Ecotec Plus 418 VU 186/6-5 OVZ 2016-2019 – GC 41-694-15 (0010021222)
  • Ecotec Plus 424 VU 246/6-5 Ov 2015-2016 – GC 41-044-74
  • Ecotec Plus 424 VU 246/6-5 OVZ 2016-2019 LPG – GC 41-694-18 (0020231355)
  • Ecotec Plus 424 VU 246/6-5 OVZ 2016-2019 NG – GC 41-694-16 (0010021223)
  • Ecotec Plus 430 VU 306/6-5 Ov 2015-2016 – GC 41-044-75
  • Ecotec Plus 430 VU 306/6-5 OVZ 2016-2019 – GC 41-694-17 (0010021224)
  • Ecotec Plus 435 VU 356/6-5 OVZ 2016-2019 – GC 41-044-76 (0010015674)

Vaillant Home Series

  • Home Combi 25 -A – GC 47-044-62
  • Home Combi 30 -A – GC 47-044-63
  • Home Combi 35 -A – GC 47-044-64
  • Home Regular 12 -A – GC 41-044-88
  • Home Regular 15 -A – GC 41-044-89
  • Home Regular 18 -A – GC 41-044-90
  • Home Regular 25 -A – GC 41-044-92
  • Home Regular 30 -A – GC 41-044-93
  • Home System 12 -A – GC 41-044-94
  • Home System 15 -A – GC 41-044-95
  • Home System 18 -A – GC 41-044-96

 

Why Choose This Product?

The Vaillant spark generator 091258 provides a reliable fix for ignition problems. It delivers a consistent spark, so your boiler starts quickly and runs smoothly. As a result, your heating system avoids delays and maintains stable performance. Installing this part improves efficiency and reduces the risk of repeated ignition faults. It also helps extend the life of your boiler.

Delivery and Return

Place orders before 1 pm for same-day dispatch. Standard delivery takes 2–3 working days, and next-day delivery is available. Returns are accepted within 30 days if unused and in original packaging. Always use a Gas Safe registered engineer to install this part safely and correctly.

Frequently Asked Questions (FAQs)

Q1: What does the Vaillant spark generator 091258 do?
The Vaillant spark generator 091258 creates the spark needed to ignite the burner in your boiler. This allows your heating system to start safely and run efficiently.

Q2: What are the signs of a faulty boiler ignition generator?
Common signs include no ignition, clicking sounds without flame, or the boiler failing to start. In such cases, replacing the spark generator can restore normal operation.

Q3: Is the Vaillant spark generator 091258 compatible with my boiler?
This part fits many Vaillant models, including Ecofit, Ecotec, Sustain, and Home series. Always check your boiler model and GC number to confirm compatibility.

Q4: Is this spark generator new or refurbished?
This product comes in brand new condition, ensuring reliable ignition and long-lasting performance.

Q5: Can I install the spark generator myself?
You should always use a Gas Safe registered engineer for installation. This ensures safe fitting and correct boiler operation.

Brand

Vaillant

Image of Vaillant brand logo

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