Description
4 x VAILLANT ECOTEC PLUS 824, 831 & 837 HEAT EXCHANGER O’RING KIT GASKET 193535
We sell original heating parts. Our engineers fully refurbish parts to the highest standard and test them. So, buy with confidence.
This gasket fits the following Vaillant boilers:
| Fits Appliance(s) | GC No. |
| Ecofit Pure 612 System VU 126/6-3 (H-GB) | 41-694-03 (0010020395) |
| Ecofit Pure 615 System VU 156/6-3 (H-GB) | 41-694-04 (0010020396) |
| Ecofit Pure 618 System VU 186/6-3 (H-GB) | 41-694-05 (0010020397) |
| Ecofit Pure 625 System VU 256/6-3 (H-GB) | 41-694-06 (0010020398) |
| Ecofit Pure 630 System VU 306/6-3 (H-GB) | 41-694-07 (0010020399) |
| Ecofit Pure 825 Combi VUW 256/6-3 (H-GB) | 47-044-68 |
| Ecofit Pure 830 Combi VUW 306/6-3 (H-GB) | 47-044-74 |
| Ecofit Pure 835 Combi VUW 356/6-3 (H-GB) | 47-044-70 |
| Sustain 825 VUW 256/6-3 (H-GB) | 47-044-71 |
| Sustain 830 VUW 306/6-3 (H-GB) | 47-044-72 |
| Sustain 835 VUW 356/6-3 (H-GB) | 47-044-73 |
| Ecotec Exclusive 835 VUW 356/5-7 | 47-044-66 |
| Ecotec Exclusive 843 VUW 436/5-7 | 47-044-67 |
| Ecotec Plus 612 VU 126/3-5 2005-2005 | 41-044-44 |
| Ecotec Plus 612 VU 126/3-5 R1 2005-2012 | 41-044-44 R1 |
| Ecotec Plus 612 VU 126/5-5 2012-2012 | 41-044-60 |
| Ecotec Plus 612 VU 126/5-5 A R4 2015 Onwards | 41-044-78 |
| Ecotec Plus 612 VU 126/5-5 R 6 2017 Onwards | 41-694-20 R6 (0010021828) |
| Ecotec Plus 612 VU 126/5-5 R1 2012-2013 | 41-044-60 R1 |
| Ecotec Plus 612 VU 126/5-5 R2 2013-2015 | 41-044-60 R2 |
| Ecotec Plus 612 VU 126/5-5 R4 2015-2015 | 41-044-60 R4 |
| Ecotec Plus 612, 615, 618, 624, 630, 637 | ECOTEC PLUS 612, 615, 618, 624, 630, 637 |
| Ecotec Plus 615 VU 156/3-5 2005-2005 | 41-044-45 |
| Ecotec Plus 615 VU 156/3-5 R1 2005-2012 | 41-044-45 R1 |
| Ecotec Plus 615 VU 156/5-5 2012-2012 | 41-044-61 |
| Ecotec Plus 615 VU 156/5-5 A R4 2015 Onwards | 41-044-79 |
| Ecotec Plus 615 VU 156/5-5 R 6 2017 Onwards | 41-694-21 R6 (0010021829) |
| Ecotec Plus 615 VU 156/5-5 R1 2012-2013 | 41-044-61 R1 |
| Ecotec Plus 615 VU 156/5-5 R2 2013-2015 | 41-044-61 R2 |
| Ecotec Plus 615 VU 156/5-5 R4 2015-2015 | 41-044-61 R4 |
| Ecotec Plus 618 VU 186/3-5 2005-2005 | 41-044-46 |
| Ecotec Plus 618 VU 186/3-5 R1 2005-2012 | 41-044-46 R1 |
| Ecotec Plus 618 VU 186/5-5 2012-2012 LPG | 41-044-66 |
| Ecotec Plus 618 VU 186/5-5 2012-2012 NG | 41-044-62 |
| Ecotec Plus 618 VU 186/5-5 A R4 2015 Onwards LPG | 41-044-81 |
| Ecotec Plus 618 VU 186/5-5 A R4 2015 Onwards NG | 41-044-80 |
| Ecotec Plus 618 VU 186/5-5 R 6 2017 Onwards LPG | 41-694-23 R6 (0010021831) |
| Ecotec Plus 618 VU 186/5-5 R 6 2017 Onwards NG | 41-694-22 R6 (0010021830) |
| Ecotec Plus 618 VU 186/5-5 R1 2012-2013 LPG | 41-044-66 R1 |
| Ecotec Plus 618 VU 186/5-5 R1 2012-2013 NG | 41-044-62 R1 |
| Ecotec Plus 618 VU 186/5-5 R2 2013-2015 LPG | 41-044-66 R2 |
| Ecotec Plus 618 VU 186/5-5 R2 2013-2015 NG | 41-044-62 R2 |
| Ecotec Plus 618 VU 186/5-5 R4 2015-2015 LPG | 41-044-66 R4 |
| Ecotec Plus 618 VU 186/5-5 R4 2015-2015 NG | 41-044-62 R4 |
| Ecotec Plus 624 VU 246/3-5 2005-2005 | 41-044-47 |
| Ecotec Plus 624 VU 246/3-5 R1 2005-2012 | 41-044-47 R1 |
| Ecotec Plus 624 VU 246/5-5 2012-2012 | 41-044-63 |
| Ecotec Plus 624 VU 246/5-5 A R4 2015 Onwards | 41-044-82 |
| Ecotec Plus 624 VU 246/5-5 R 6 2017 Onwards | 41-694-24 R6 (0010021832) |
| Ecotec Plus 624 VU 246/5-5 R1 2012-2013 | 41-044-63 R1 |
| Ecotec Plus 624 VU 246/5-5 R2 2013-2015 | 41-044-63 R2 |
| Ecotec Plus 624 VU 246/5-5 R4 2015-2015 | 41-044-63 R4 |
| Ecotec Plus 630 VU 306/3-5 2005-2005 | 41-044-48 |
| Ecotec Plus 630 VU 306/3-5 R1 2005-2012 | 41-044-48 R1 |
| Ecotec Plus 630 VU 306/5-5 2012-2012 LPG | 41-044-67 |
| Ecotec Plus 630 VU 306/5-5 2012-2012 NG | 41-044-64 |
| Ecotec Plus 630 VU 306/5-5 A R4 2015 Onwards LPG | 41-044-84 |
| Ecotec Plus 630 VU 306/5-5 A R4 2015 Onwards NG | 41-044-83 |
| Ecotec Plus 630 VU 306/5-5 R 6 2017 Onwards LPG | 41-694-26 R6 (0010021834) |
| Ecotec Plus 630 VU 306/5-5 R 6 2017 Onwards NG | 41-694-25 R6 (0010021833) |
| Ecotec Plus 630 VU 306/5-5 R1 2012-2013 LPG | 41-044-67 R1 |
| Ecotec Plus 630 VU 306/5-5 R1 2012-2013 NG | 41-044-64 R1 |
| Ecotec Plus 630 VU 306/5-5 R2 2013-2014 LPG | 41-044-67 R2 |
| Ecotec Plus 630 VU 306/5-5 R2 2013-2014 NG | 41-044-64 R2 |
| Ecotec Plus 630 VU 306/5-5 R4 2015-2015 LPG | 41-044-67 R4 |
| Ecotec Plus 630 VU 306/5-5 R4 2015-2015 NG | 41-044-64 R4 |
| Ecotec Plus 637 VU 376/3-5 R1 2006-2012 | 41-044-52 |
| Ecotec Plus 637 VU 376/5-5 2012-2012 | 41-044-65 |
| Ecotec Plus 637 VU 376/5-5 A R4 2015 Onwards | 41-044-85 |
| Ecotec Plus 637 VU 376/5-5 R1 2012-2013 | 41-044-65 R1 |
| Ecotec Plus 637 VU 376/5-5 R2 2013-2014 | 41-044-65 R2 |
| Ecotec Plus 637 VU 376/5-5 R4 2015-2015 | 41-044-65 R4 |
| Ecotec Plus 637 VU 386/5-5 R 6 2017 Onwards | 41-694-27 R6 (0010021835) |
| Ecotec Plus 824 VUW 246/3-5 2005-2012 | 47-044-31 |
| Ecotec Plus 824 VUW 246/3-5 R1 2005-2011 | 47-044-31 R1 |
| Ecotec Plus 824 VUW 246/3-5 R3 2011-2012 | 47-044-31 R2 |
| Ecotec Plus 824 VUW 246/5-5 2012-2012 | 47-044-40 |
| Ecotec Plus 824 VUW 246/5-5 R1 2012-2013 | 47-044-40 R1 |
| Ecotec Plus 824 VUW 246/5-5 R2 2013-2015 | 47-044-40 R2 |
| Ecotec Plus 824 VUW 246/5-5 R4 2015-2015 | 47-044-40 R4 |
| Ecotec Plus 825 VUW 196/5-5 R6 2017 Onwards | 47-044-83 R6 (0010021823) |
| Ecotec Plus 825 VUW 256/5-5 R4 2015 Onwards | 47-044-57 |
| Ecotec Plus 831 VUW 316/3-5 2005-2013 | 47-044-32 |
| Ecotec Plus 831 VUW 316/3-5 R1 2005-2011 | 47-044-32 R1 |
| Ecotec Plus 831 VUW 316/3-5 R3 2011-2012 | 47-044-32 R3 |
| Ecotec Plus 831 VUW 316/3-5 R5 2013-2013 | 47-044-32 R5 |
| Ecotec Plus 831 VUW 316/5-5 2012-2012 LPG | 47-044-46 |
| Ecotec Plus 831 VUW 316/5-5 2012-2012 NG | 47-044-41 |
| Ecotec Plus 831 VUW 316/5-5 R1 2012-2013 LPG | 47-044-46 R1 |
| Ecotec Plus 831 VUW 316/5-5 R1 2012-2013 NG | 47-044-41 R1 |
| Ecotec Plus 831 VUW 316/5-5 R2 2013-2015 LPG | 47-044-46 R2 |
| Ecotec Plus 831 VUW 316/5-5 R2 2013-2015 NG | 47-044-41 R2 |
| Ecotec Plus 831 VUW 316/5-5 R4 2015-2015 LPG | 47-044-46 R4 |
| Ecotec Plus 831 VUW 316/5-5 R4 2015-2015 NG | 47-044-41 R4 |
| Ecotec Plus 832 VUW 246/5-5 R6 2017 Onwards LPG | 47-044-85 R6 (0010021825) |
| Ecotec Plus 832 VUW 246/5-5 R6 2017 Onwards NG | 47-044-84 R6 (0010021824) |
| Ecotec Plus 832 VUW 326/5-5 R4 2015 Onwards | 47-044-58 |
| Ecotec Plus 835 VUW 306/5-5 R6 2017 Onwards | 47-044-82 R6 (0010021822) |
| Ecotec Plus 835 VUW 356/5-5 R4 2015 Onwards | 47-044-53 |
| Ecotec Plus 837 VUW 376/3-5 R1 2006-2011 | 47-044-33 R1 |
| Ecotec Plus 837 VUW 376/3-5 R3 2011-2012 | 47-044-33 R3 |
| Ecotec Plus 837 VUW 376/5-5 2012-2012 | 47-044-42 |
| Ecotec Plus 837 VUW 376/5-5 R1 2012-2013 | 47-044-42 R1 |
| Ecotec Plus 837 VUW 376/5-5 R2 2013-2014 | 47-044-42 R2 |
| Ecotec Plus 837 VUW 376/5-5 R4 2014-2015 | 47-044-42 R4 |
| Ecotec Plus 838 VUW 286/5-5 R6 2017 Onwards | 47-044-86 R6 (0010021826) |
| Ecotec Plus 838 VUW 386/5-5 R4 2015 Onwards | 47-044-60 |
| Ecotec Plus 937 VUI 376/3-5 2006-2012 | 47-044-39 |
| Ecotec Plus 937 VUI 376/5-5 2012-2012 | 47-044-43 |
| Ecotec Plus 937 VUI 376/5-5 R1 2012-2013 | 47-044-43 R1 |
| Ecotec Plus 937 VUI 376/5-5 R2 2013-2014 | 47-044-43 R2 |
| Ecotec Plus 937 VUI 376/5-5 R4 2014-2015 | 47-044-43 R4 |
| Ecotec Plus 938 VUI 286/5-5 R6 2017 Onwards | 47-044-87 R6 (0010021827) |
| Ecotec Plus 938 VUI 386/5-5 R4 2015 Onwards | 47-044-61 R4 |
| Ecotec Pro 22 VU 226/5-3 A R4 (For Guernsey/Jersey Only) Current Production | 10018497 |
| Ecotec Pro 22 VU 226/5-3 R4 (For Guernsey/Jersey Only) | 10015190 |
| Ecotec Pro 24 VUW 246/3-3 R1 2006-2008 | 47-044-36 R1 |
| Ecotec Pro 24 VUW 246/3-3 R2 2008-2012 | 47-044-36 R2 |
| Ecotec Pro 24 VUW 246/5-3 2012-2012 | 47-044-44 |
| Ecotec Pro 24 VUW 246/5-3 R1 2012-2013 | 47-044-44 R1 |
| Ecotec Pro 24 VUW 246/5-3 R2 2013-2015 | 47-044-44 R2 |
| Ecotec Pro 24 VUW 246/5-3 R4 (2015-2017) | 47-044-54 |
| Ecotec Pro 24 VUW 246/5-3 R4 2015-2015 | 47-044-44 R4 |
| Ecotec Pro 24 VUW 246/5-3 R6 2017 Onwards | 47-044-88 (0010021836) |
| Ecotec Pro 28 VUW 286/3-3 R1 2005-2008 | 47-044-30 R1 |
| Ecotec Pro 28 VUW 286/3-3 R2 2008-2012 | 47-044-30 R2 |
| Ecotec Pro 28 VUW 286/5-3 2012-2012 LPG | 47-044-47 |
| Ecotec Pro 28 VUW 286/5-3 2012-2012 NG | 47-044-45 |
| Ecotec Pro 28 VUW 286/5-3 R1 2012-2013 LPG | 47-044-47 R1 |
| Ecotec Pro 28 VUW 286/5-3 R1 2012-2013 NG | 47-044-45 R1 |
| Ecotec Pro 28 VUW 286/5-3 R2 2013-2015 LPG | 47-044-47 R2 |
| Ecotec Pro 28 VUW 286/5-3 R2 2013-2015 NG | 47-044-45 R2 |
| Ecotec Pro 28 VUW 286/5-3 R4 2015 – 2017 | 47-044-55 (0010018495) |
| Ecotec Pro 28 VUW 286/5-3 R4 2015 – 2017 LPG | 47-044-56 (0010018496) |
| Ecotec Pro 28 VUW 286/5-3 R4 2015-2015 LPG | 47-044-47 R4 |
| Ecotec Pro 28 VUW 286/5-3 R4 2015-2015 NG | 47-044-45 R4 |
| Ecotec Pro 28 VUW 286/5-3 R6 2017 Onwards | 47-044-89 (0010021837) |
| Ecotec Pro 28 VUW 286/5-3 R6 LPG 2017 Onwards | 47-044-90 (0010021838) |
| Ecotec Pro 30 VUW 306/5-3 R4 (2015 Onwards) | 47-044-52 |
| Exclusive 627 VU 256/5-7 | 41-694-02 |
| Sustain 24 VUW 246/7-2 | 47-044-79 |
| Sustain 28 VUW 286/7-2 | 47-044-80 |
| Sustain 34 VUW 346/7-2 | 47-044-81 |
| Home Combi 25 -A | 47-044-62 |
| Home Combi 30 -A | 47-044-63 |
| Home Combi 35 -A | 47-044-64 |
| Home System 12 -A | 41-044-94 |
| Home System 15 -A | 41-044-95 |
| Home System 18 -A | 41-044-96 |
| Home System 25 -A | 41-044-97 |
Please note: Before placing your order you must check your part matches the Manufacturer Part Number stated above.
     Please note all prices are inclusive of VAT.
FAQs
1. What is included in the Vaillant Heat Exchanger O-Ring Kit 193535?
This kit includes four O-rings designed to provide a tight seal for the heat exchanger connection points in compatible Vaillant boilers, ensuring proper function and preventing leaks.
2. Which Vaillant boiler models are compatible with this O-ring kit?
The kit fits a wide range of Vaillant boilers, including Ecotec Plus 824, 831, 837, 612, 615, 618, 624, 630, 637, as well as Ecofit Pure, Sustain, and Exclusive series.
3. How often should I replace the O-rings in my Vaillant boiler?
It’s recommended to replace O-rings whenever the heat exchanger is removed for servicing or if signs of leakage or wear are detected. Regular maintenance helps prevent water leaks and maintains heating efficiency.
4. Can I fit the Vaillant O-Ring Kit 193535 myself?
For safety reasons, installation should always be carried out by a qualified Gas Safe registered engineer. This ensures correct fitting and compliance with boiler safety standards.
5. Does the Vaillant 193535 O-Ring Kit come with a warranty?
Yes, this O-ring gasket kit comes with a 12-month warranty covering manufacturing defects, providing reliable performance when installed correctly.
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