Description
Vaillant 0020246710 Heat Exchanger for Ecotec Pro, Plus & Sustain R6 Boilers (2017 Onwards)
The Vaillant 0020246710 Heat Exchanger is a OEM component engineered for high-efficiency performance in Vaillant’s Ecotec Pro, Ecotec Plus, and Sustain boiler models released from 2017 onwards (R6 generation).
Crafted to ensure optimal heat transfer and long-lasting reliability, this replacement part is essential for restoring heating efficiency and extending the life of your Vaillant boiler.
đź”§ Compatible with the Following Boilers (and GC Numbers):
Ecotec Plus 612 VU 126/5-5 R6 (2017 Onwards) – GC No: 41-694-20 R6 (0010021828)
Ecotec Plus 615 VU 156/5-5 R6 (2017 Onwards) – GC No: 41-694-21 R6 (0010021829)
Ecotec Plus 618 VU 186/5-5 R6 LPG (2017 Onwards) – GC No: 41-694-23 R6 (0010021831)
Ecotec Plus 618 VU 186/5-5 R6 NG (2017 Onwards) – GC No: 41-694-22 R6 (0010021830)
Ecotec Plus 825 VUW 196/5-5 R6 (2017 Onwards) – GC No: 47-044-83 R6 (0010021823)
Ecotec Pro 24 VUW 246/5-3 R6 (2017 Onwards) – GC No: 47-044-88 (0010021836)
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)
Sustain 24 VUW 246/7-2 – GC No: 47-044-79
Sustain 28 VUW 286/7-2 – GC No: 47-044-80
Please note: Before placing your order you must check your part matches the Manufacturer Part Number stated above.
Meanwhile, if you are looking for any Vaillant-related products please click the link: Vaillant Spares
Also, for Diverter valves for vaillant please click the link: Vaillant Diverter Valves
You can also check our whole range of PCBs for vaillant please click the link: Vaillant PCBS
Here is also the list of Pumps for Vaillant please click the link: Vaillant Pump
In case you are looking for Fans for Vaillant please click the link:Vaillant Fans
     Prices: Please note all prices are inclusive of VAT.
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. Usually, 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. At the same time select the Saturday delivery option at checkout if you’d like your purchases delivered on a weekend day.
In a word thank you for choosing us!
Frequently Asked Questions
1. What boilers are compatible with the Vaillant 0020246710 heat exchanger?
This heat exchanger is compatible with Vaillant Ecotec Pro, Ecotec Plus, and Sustain boilers from the 2017 R6 generation onwards. Models include Ecotec Plus 612, 615, 618, 825, Ecotec Pro 24, 28, and Sustain 24 & 28. Please confirm the manufacturer’s part number matches before purchase.
2. Is this Vaillant heat exchanger an OEM part?
Yes, the Vaillant 0020246710 is a genuine OEM component engineered for efficiency and long-term performance. It ensures reliable operation and optimal compatibility with your Vaillant boiler.
3. What warranty is included with this part?
Brand-new Vaillant heat exchangers come with a 12-month warranty. Pre-owned or refurbished gas valves include a 6-month warranty, giving you peace of mind with your purchase.
4. How quickly can this part be delivered?
Orders received by 1:00 p.m. EST (Monday–Friday) are usually shipped the same day. Next-day delivery is available, though weekend orders are dispatched on the following business day unless Saturday delivery is selected at checkout.
5. What is your returns policy for this part?
We offer a 30-day return policy. Items must be returned in their original packaging and condition. If a product does not meet your expectations or requirements, a refund will be processed once the item is received and inspected.






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