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Vaillant Ecotec Pro 24 28 VUW Expansion Vessel 10 Litre 181051 & PRV 178985

Vaillant Expansion Vessel 10 Litre 181051 & PRV 178985. It helps maintain system pressure and prevents overpressure issues, ensuring seamless operation and reliability at a cost-effective price. It comes with 12 months warranty.

FOR ANY QUERIES, PLEASE FEEL FREE TO CONTACT US AT 01919338762.

Compatible Models:

Ecomax Series:

Ecomax 613 VU126 E-C (Condensing System) 2000-2001 - GC No. 41-044-20
Ecomax 613/2 E VU 126/2-C (Condensing System) 2001-2007 - GC No. 41-044-27
Ecomax 618 VU196 E-C (Condensing System) 2000-2001 - GC No. 41-044-21
Ecomax 618/2E VU186/2-C 2001-2007 - GC No. 41-044-28
Ecomax 622 VU 246 E-C (Condensing System) 2000-2001 - GC No. 41-044-22
Ecomax 622/2E VU 226/2-C 2001-2007 - GC No. 41-044-29
Ecomax 635 E VU356-C 2004-2008 - GC No. 41-044-43
Ecomax 635 VU (Condensing System) 2006-2008 - GC No. 20-062-00
Ecomax 824/2E VUW 246/2-C 2001-2007 - GC No. 47-044-12
Ecomax 824E VUW 246E-C 1999-2001 - GC No. 47-044-07
Ecomax 828/2E VUW 286/2-C 2001-2007 - GC No. 47-044-17
Ecomax 828E VUW 286 E-C 1999-2001 - GC No. 47-044-08
Ecomax 835E VUW 356-C 2002-2008 - GC No. 47-044-27

Ecotec Exclusive Series:

Ecotec Exclusive 832 VUW 32/4 2007-2016 - GC No. 47-044-37
Ecotec Exclusive 835 VUW 356/5-7 - GC No. 47-044-66
Ecotec Exclusive 838 VUW 386/4 2007-2016 - GC No. 47-044-38
Ecotec Exclusive 843 VUW 436/5-7 - GC No. 47-044-67

Ecotec Plus Series:

Ecotec Plus 612 Series:

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 615 Series:

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 Series:

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 Series:

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 Series:

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 Series:

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 Series:

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 Series:

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 Series:

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

Ecotec Pro Series:

Ecotec Pro 22 VU 226/5-3 A R4 (For Guernsey/Jersey Only) - GC No. 0010018497
Ecotec Pro 22 VU 226/5-3 R4 (For Guernsey/Jersey Only) - GC No. 0010015190
Ecotec Pro 24 VUW 246/3-3 R1 2006-2008 - GC No. 47-044-36 R1
Ecotec Pro 24 VUW 246/3-3 R2 2008-2012 - GC No. 47-044-36 R2
Ecotec Pro 24 VUW 246/5-3 R4 (2015-2017) - GC No. 47-044-54
Ecotec Pro 24 VUW 246/5-3 R4 2015-2015 - GC No. 47-044-44 R4
Ecotec Pro 24 VUW 246/5-3 R6 2017 Onwards - GC No. 47-044-88
Ecotec Pro 28 VUW 286/3-3 R1 2005-2008 - GC No. 47-044-30 R1
Ecotec Pro 28 VUW 286/3-3 R2 2008-2012 - GC No. 47-044-30 R2
Ecotec Pro 28 VUW 286/5-3 R2 2013-2015 NG - GC No. 47-044-45 R2
Ecotec Pro 28 VUW 286/5-3 R4 2015-2017 - GC No. 47-044-55 (0010018495)
Ecotec Pro 28 VUW 286/5-3 R4 2015-2017 LPG - GC No. 47-044-56 (0010018496)
Ecotec Pro 28 VUW 286/5-3 R4 2015-2015 LPG - GC No. 47-044-47 R4
Ecotec Pro 28 VUW 286/5-3 R4 2015-2015 NG - GC No. 47-044-45 R4
Ecotec Pro 28 VUW 286/5-3 R6 2017 Onwards - GC No. 47-044-89 (0010021837)
Ecotec Pro 28 VUW 286/5-3 R6 LPG 2017 Onwards - GC No. 47-044-90 (0010021838)
Ecotec Pro 30 VUW 306/5-3 R4 2015 Onwards - GC No. 47-044-52

Exclusive Series:

Exclusive 627 VU 256/5-7 - GC No. 41-694-02

VWZ Series:

VWZ MEH 61 2013 Onwards - GC No. 0020143590

Home Series:

Home Combi 25 -A - GC No. 47-044-62
Home Combi 30 -A - GC No. 47-044-63
Home Combi 35 -A - GC No. 47-044-64
Home System 12 -A - GC No. 41-044-94
Home System 15 -A - GC No. 41-044-95
Home System 18 -A - GC No. 41-044-96
Home System 25 -A - GC No. 41-044-97

Please note: Before placing your order, you must check your part matches the Manufacturer’s Part Number stated above.

Please note all prices are inclusive of VAT.

🚚 Fast Shipping & Returns

We offer same-day dispatch on orders placed before 1 PM, with DPD Next-Day Delivery available across the UK mainland. If you need to return the item, we provide a 30-day hassle-free return policy, but please note that returns are subject to a 20% restocking fee to cover handling costs.

⚠️ Professional Installation Recommended

For safety and optimal performance, we strongly recommend having this kit installed by a Gas Safe registered engineer.

📩 Have any questions? Text us – we're happy to help!