Description
Vaillant Service Kit 0020195459 & 0020195481 – Combustion Chamber Gasket + Ignition/Sensing Electrode
This Vaillant Service Kit includes two essential components required for routine maintenance, combustion sealing and reliable ignition performance:
✔ Included Parts
0020195459 – Combustion Chamber Cover Gasket
0020195481 – Ignition & Sensing Electrode (Twin Function)
Together, these parts ensure safe combustion, correct flame sensing, and consistent boiler ignition. They are widely used across the ecoFIT Pure, ecoTEC Plus (OV & OVZ), Sustain, and Vaillant Home boiler ranges.
This listing includes EVERY compatible boiler model and GC number, grouped by series for easy identification.
COMPATIBLE MODELS & GC NUMBERS
ECOFIT PURE OPEN VENT (OV) SERIES
Ecofit Pure 400 Range
412 VU 126/6-3 OV – GC 41-694-08 (0010020400)
415 VU 156/6-3 OV – GC 41-694-09 (0010020401)
418 VU 186/6-3 OV – GC 41-694-10 (0010020402)
425 VU 256/6-3 OV – GC 41-694-11 (0010020403)
430 VU 306/6-3 OV – GC 41-694-12 (0010020404)
435 VU 356/6-3 OV – GC 41-694-19 (0010020405)
ECOFIT PURE SYSTEM SERIES
612 System VU 126/6-3 – GC 41-694-03 (0010020395)
615 System VU 156/6-3 – GC 41-694-04 (0010020396)
618 System VU 186/6-3 – GC 41-694-05 (0010020397)
625 System VU 256/6-3 – GC 41-694-06 (0010020398)
630 System VU 306/6-3 – GC 41-694-07 (0010020399)
ECOFIT PURE COMBI SERIES
825 Combi VUW 256/6-3 – GC 47-044-68
830 Combi VUW 306/6-3 – GC 47-044-74
835 Combi VUW 356/6-3 – GC 47-044-70
VAILLANT SUSTAIN SERIES (Combi)
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
ECOTEC PLUS OPEN-VENT & SYSTEM MODELS
Older 2015–2016 OV Models
412 VU 126/6-5 – GC 41-044-71
415 VU 156/6-5 – GC 41-044-72
418 VU 186/6-5 – GC 41-044-73
424 VU 246/6-5 – GC 41-044-74
430 VU 306/6-5 – GC 41-044-75
2016–2019 OVZ Updated Models
412 VU 126/6-5 OVZ – GC 41-694-13 (0010021220)
415 VU 156/6-5 OVZ – GC 41-694-14 (0010021221)
418 VU 186/6-5 OVZ – GC 41-694-15 (0010021222)
424 VU 246/6-5 OVZ NG – GC 41-694-16 (0010021223)
424 VU 246/6-5 OVZ LPG – GC 41-694-18 (0020231355)
430 VU 306/6-5 OVZ – GC 41-694-17 (0010021224)
435 VU 356/6-5 OVZ – GC 41-044-76 (0010015674)
VAILLANT HOME SERIES
Home Combi Range
25-A – GC 47-044-62
30-A – GC 47-044-63
35-A – GC 47-044-64
Home Regular Range
12-A – GC 41-044-88
15-A – GC 41-044-89
18-A – GC 41-044-90
25-A – GC 41-044-92
30-A – GC 41-044-93
Home System Range
System 12-A – GC 41-044-94
System 15-A – GC 41-044-95
System 18-A – GC 41-044-96
System 25-A – GC 41-044-97
Please note: Before placing your order you must check your part matches the Manufacturer Part Number stated above.
For any Vaillant Diverter Valves Please Click Link :Vaillant Diverter valves
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At Heating and catering parts, we certainly strive to provide the best possible customer experience. Consequently, we understand that sometimes a product may not meet your expectations or requirements. That is why we offer a comprehensive 30-day return policy to ensure your satisfaction. Please read our full Return Policy
We appreciate you buying from our store. If your order is received by 1:00 p.m. EST (Monday–Friday), we will ship the item the same day. You can count on us to deliver quickly and safely. In other words, we take pride in our prompt and trustworthy service and will do everything we can to ensure the safe arrival of your package.
Please note that weekends are not included in our next-day delivery guarantee. Delivery for orders placed on Fridays (the next day) is on the following Monday. Select the Saturday delivery option at checkout if you’d like your purchases delivered on a weekend day.
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