Description
Vaillant 0020020015 Diverter Valve Ecotec Boiler Part
The Vaillant 0020020015 Diverter Valve is a genuine replacement component designed for a wide range of Vaillant Ecotec Pro and Ecotec Plus boilers.
The diverter valve is responsible for directing heated water between the domestic hot water system and the central heating circuit. If the valve becomes faulty, stuck or worn, it can lead to heating and hot water performance issues.
Replacing a faulty diverter valve can restore proper boiler operation, improve efficiency and ensure reliable hot water delivery throughout your property.
Compatible Boiler Models
Vaillant Ecotec Plus Series
- Ecotec Plus 824 VUW 246/5-5 R2 – GC No. 47-044-40 R2
- Ecotec Plus 824 VUW 246/5-5 R4 – GC No. 47-044-40 R4
- Ecotec Plus 825 VUW 256/5-5 R4 – GC No. 47-044-57
- Ecotec Plus 831 VUW 316/5-5 R2 NG – GC No. 47-044-41 R2
- Ecotec Plus 831 VUW 316/5-5 R2 LPG – GC No. 47-044-46 R2
- Ecotec Plus 831 VUW 316/5-5 R4 NG – GC No. 47-044-41 R4
- Ecotec Plus 831 VUW 316/5-5 R4 LPG – GC No. 47-044-46 R4
- Ecotec Plus 832 VUW 326/5-5 R4 – GC No. 47-044-58
- Ecotec Plus 835 VUW 356/5-5 R4 – GC No. 47-044-53
- Ecotec Plus 837 VUW 376/5-5 R2 – GC No. 47-044-42 R2
- Ecotec Plus 837 VUW 376/5-5 R4 – GC No. 47-044-42 R4
- Ecotec Plus 838 VUW 386/5-5 R4 – GC No. 47-044-60
- Ecotec Plus 937 VUI 376/5-5 R2 – GC No. 47-044-43 R2
- Ecotec Plus 937 VUI 376/5-5 R4 – GC No. 47-044-43 R4
- Ecotec Plus 938 VUI 386/5-5 R4 – GC No. 47-044-61
Vaillant Ecotec Pro Series
- Ecotec Pro 24 VUW 246/3-3 R2 – GC No. 47-044-36 R2
- Ecotec Pro 24 VUW 246/5-3 – GC No. 47-044-44
- Ecotec Pro 24 VUW 246/5-3 R1 – GC No. 47-044-44 R1
- Ecotec Pro 24 VUW 246/5-3 R2 – GC No. 47-044-44 R2
- Ecotec Pro 24 VUW 246/5-3 R4 – GC No. 47-044-54
- Ecotec Pro 24 VUW 246/5-3 R6 – GC No. 47-044-88
- Ecotec Pro 28 VUW 286/3-3 R2 – GC No. 47-044-30 R2
- Ecotec Pro 28 VUW 286/5-3 NG – GC No. 47-044-45
- Ecotec Pro 28 VUW 286/5-3 LPG – GC No. 47-044-47
- Ecotec Pro 28 VUW 286/5-3 R1 NG – GC No. 47-044-45 R1
- Ecotec Pro 28 VUW 286/5-3 R1 LPG – GC No. 47-044-47 R1
- Ecotec Pro 28 VUW 286/5-3 R2 NG – GC No. 47-044-45 R2
- Ecotec Pro 28 VUW 286/5-3 R2 LPG – GC No. 47-044-47 R2
- Ecotec Pro 28 VUW 286/5-3 R4 NG – GC No. 47-044-55
- Ecotec Pro 28 VUW 286/5-3 R4 LPG – GC No. 47-044-56
- Ecotec Pro 28 VUW 286/5-3 R6 – GC No. 47-044-89
- Ecotec Pro 28 VUW 286/5-3 R6 LPG – GC No. 47-044-90
- Ecotec Pro 30 VUW 306/5-3 R4 – GC No. 47-044-52
If you’re looking for a any other different Vaillant Spares 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.












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