Description
Vaillant Diverter Valve Plastic 0020020015 – EcoTec Plus & Pro Compatible
The Vaillant Ecotec Pro Plastic Diverter Valve 0020020015 controls the flow of hot water inside your boiler. It directs water between the heating system and hot water taps to maintain consistent performance. This diverter valve restores reliable switching and helps resolve heating or hot water issues. We also sell both brand new and refurbished options to suit different repair needs and budgets.
Compatible Boilers
Vaillant Ecotec Plus Series
Ecotec Plus 824 VUW 246/5-5 R2 2013-2015 (GC No. 47-044-40 R2)
Ecotec Plus 824 VUW 246/5-5 R4 2015-2015 (GC No. 47-044-40 R4)
Ecotec Plus 825 VUW 256/5-5 R4 2015 Onwards (GC No. 47-044-57)
Ecotec Plus 831 VUW 316/5-5 R2 2013-2015 LPG (GC No. 47-044-46 R2)
Ecotec Plus 831 VUW 316/5-5 R2 2013-2015 NG (GC No. 47-044-41 R2)
Ecotec Plus 831 VUW 316/5-5 R4 2015-2015 LPG (GC No. 47-044-46 R4)
Ecotec Plus 831 VUW 316/5-5 R4 2015-2015 NG (GC No. 47-044-41 R4)
Ecotec Plus 832 VUW 326/5-5 R4 2015 Onwards (GC No. 47-044-58)
Ecotec Plus 835 VUW 356/5-5 R4 2015 Onwards (GC No. 47-044-53)
Ecotec Plus 837 VUW 376/5-5 R2 2013-2014 (GC No. 47-044-42 R2)
Ecotec Plus 837 VUW 376/5-5 R4 2014-2015 (GC No. 47-044-42 R4)
Ecotec Plus 838 VUW 386/5-5 R4 2015 Onwards (GC No. 47-044-60)
Ecotec Plus 937 VUI 376/5-5 R2 2013-2014 (GC No. 47-044-43 R2)
Ecotec Plus 937 VUI 376/5-5 R4 2014-2015 (GC No. 47-044-43 R4)
Ecotec Plus 938 VUI 386/5-5 R4 2015 Onwards (GC No. 47-044-61 R4)
Vaillant Ecotec Pro Series
Ecotec Pro 24 VUW 246/3-3 R2 2008-2012 (GC No. 47-044-36 R2)
Ecotec Pro 24 VUW 246/5-3 2012-2012 (GC No. 47-044-44)
Ecotec Pro 24 VUW 246/5-3 R1 2012-2013 (GC No. 47-044-44 R1)
Ecotec Pro 24 VUW 246/5-3 R2 2013-2015 (GC No. 47-044-44 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 R2 2008-2012 (GC No. 47-044-30 R2)
Ecotec Pro 28 VUW 286/5-3 2012-2012 LPG (GC No. 47-044-47)
Ecotec Pro 28 VUW 286/5-3 2012-2012 NG (GC No. 47-044-45)
Ecotec Pro 28 VUW 286/5-3 R1 2012-2013 LPG (GC No. 47-044-47 R1)
Ecotec Pro 28 VUW 286/5-3 R1 2012-2013 NG (GC No. 47-044-45 R1)
Ecotec Pro 28 VUW 286/5-3 R2 2013-2015 LPG (GC No. 47-044-47 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)
Ecotec Pro 28 VUW 286/5-3 R4 2015-2017 LPG (GC No. 47-044-56)
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)
Ecotec Pro 28 VUW 286/5-3 R6 LPG 2017 Onwards (GC No. 47-044-90)
Ecotec Pro 30 VUW 306/5-3 R4 2015 Onwards (GC No. 47-044-52)
If you’re looking for a Vaillant Turbomax Plus Diverter Valve 252457 or any other different Vaillant Diverter Valve, follow the link provided.
Why Choose This Product?
This Vaillant Ecotec Pro Plastic Diverter Valve provides reliable switching between heating and hot water. It helps resolve common problems such as heating staying on when taps run or slow hot water delivery. The brand new option offers maximum reliability and a full 12-month warranty. The refurbished option provides a cost-effective repair choice with a 6-month warranty, making it ideal for budget-friendly boiler maintenance.
Delivery and Return
Orders placed before 1 PM are dispatched on the same working day. Customers can choose standard delivery or upgrade to next-day courier service during checkout. Returns are accepted within 30 days if the item remains unused and in its original condition. Always use a Gas Safe registered engineer for safe installation and proper boiler operation.
Frequently Asked Questions (FAQs)
1. What does the Vaillant Ecotec Pro Plastic Diverter Valve 0020020015 do?
The diverter valve directs hot water between your central heating system and hot water taps. It ensures your boiler switches correctly between heating and domestic hot water.
2. Which boilers are compatible with this diverter valve?
This diverter valve fits many Vaillant Ecotec Plus and Ecotec Pro boilers. You can confirm compatibility by checking the GC numbers listed in the product description.
3. What problems can a faulty diverter valve cause?
A faulty diverter valve can cause heating to run when you open a hot tap or prevent hot water from reaching taps. Replacing the valve restores proper switching.
4. Is this diverter valve available as new and refurbished?
Yes. We sell both brand new and refurbished versions. The brand new option includes a 12-month warranty, while the refurbished option includes a 6-month warranty.
5. Do I need a Gas Safe engineer to install this part?
Yes. Always use a Gas Safe registered engineer to install boiler components. Professional installation ensures safety and correct operation.












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