Description
Vaillant Ecotec Plus 637 VU 376/3-5 Heat Exchanger MPN 0020135134
The Vaillant Ecotec Plus Heat Exchanger 0020135134 is a replacement part for Vaillant boilers. It is made of high-quality materials and designed to provide efficient and reliable heat transfer. This heat exchanger is compatible with a range of Vaillant Ecotec Plus models and is easy to install. It helps to optimize the performance and lifespan of your boiler, ensuring you have hot water and heating whenever you need it.
This part fits the following boilers:
| Fits Appliance(s) | GC No. |
| 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 R1 2012-2013 | 41-044-65 R1 |
| Ecotec Plus 637 VU 376/5-5 R2 2013-2014 | 41-044-65 R2 |
| 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 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 |
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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. 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. Select the Saturday delivery option at checkout if you’d like your purchases delivered on a weekend day.
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Frequently Asked Questions
1. Which boilers is the Vaillant Ecotec Plus 0020135134 heat exchanger compatible with?
This heat exchanger fits a variety of Vaillant Ecotec Plus models, including 637 VU 376/3-5, 637 VU 376/5-5, 837 VUW 376/3-5, 837 VUW 376/5-5, 937 VUI 376/3-5, and 937 VUI 376/5-5 across multiple production years. Always check your boiler’s GC number or model to ensure compatibility.
2. What is the purpose of the heat exchanger in a boiler?
The heat exchanger transfers heat from the boiler’s burner to the water circulating through your heating system and hot water taps. A functioning heat exchanger ensures efficient energy use, consistent heating, and reliable hot water supply.
3. How easy is it to install the heat exchanger?
The heat exchanger is designed for straightforward installation by a qualified heating engineer. Correct installation is essential to maintain boiler performance and safety.
4. What should I do if the heat exchanger develops a fault?
If the heat exchanger develops a fault, it should be inspected and replaced by a qualified engineer. Using a faulty heat exchanger can affect boiler performance, lead to leaks, or cause safety issues.
