Description
Vaillant 180903 Boiler Flange – Genuine New
The Vaillant 180903 Boiler Flange is a genuine replacement connection component for selected Vaillant ecoMAX 665 and ecoTEC VU GB 656 boilers.
The flange helps provide a secure connection between the relevant boiler components. Therefore, correct installation is important for reliable and leak-free operation.
This part is suitable for replacing a confirmed damaged, worn or distorted flange where Vaillant part number 180903 is required.
Because it is a genuine Vaillant component, it provides the correct manufacturer design and specification for compatible appliances.
Boiler Compatibility
Vaillant ecoMAX
- ecoMAX 665 VU Condensing System (2006–2008) – GC No. 20-062-02
Vaillant ecoTEC VU GB 656
- ecoTEC VU GB 656/4-5 (2007–2015) – Appliance No. 0010004140
- ecoTEC VU GB 656/4-5 A (2015–2018) – Appliance No. 0010017820
Why Choose the Vaillant 180903 Flange?
Firstly, this is a genuine Vaillant replacement component. As a result, it offers the correct manufacturer design for the compatible boilers listed above.
Moreover, the flange helps maintain a firm connection between the relevant components. Therefore, it provides a dependable replacement when the existing part is damaged or worn.
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Email : hi@heatingandcateringparts.com
Prices: Must be remembered all prices are inclusive of VAT.
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
Warranty
This genuine Vaillant replacement part is supplied with a 12 Month Warranty for complete peace of mind.
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!






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