Description

Vaillant Printed Circuit Board 0020034604 Fully Tested 

Vaillant Printed Circuit Board 0020034604 Fully Tested  is a fully refurbished part taken from a completely functioning boiler. The quality of the product is assured as all our products are refurbished to the highest standard and quality checked by our experienced engineering team

“Dear customer, please ensure the image matches your Vaillant boiler’s PCB for correct compatibility. Thank you!”

We sell original heating parts. Our engineers fully refurbish parts to the highest standard and test them. So, buy with confidence.

This part specification :

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.

FAQs

1. How do I check if the Vaillant PCB 0020034604 is compatible with my boiler?

You should confirm the manufacturer part number (0020034604 / 1379974) matches the PCB in your boiler. Also, compare the image of the PCB with your existing part to ensure compatibility before purchase.

2. Is the Vaillant PCB 0020034604 a new or refurbished part?

This PCB is a refurbished part, removed from a working boiler, then fully tested and restored to high standards by qualified engineers. It is supplied in excellent condition for reliable performance.

3. Which Vaillant boiler models use the PCB 0020034604?

The PCB 0020034604 is used in several Vaillant boilers, including EcoTec Plus, EcoTec Pro, and EcoFit Pure models. Always double-check your model and part number before ordering.

4. Can I install the PCB 0020034604 myself?

For safety reasons, all boiler repairs and part replacements must be carried out by a Gas Safe registered engineer. Attempting installation without the correct qualifications may be unsafe and could void warranties.

5. What is the delivery and returns policy for this Vaillant PCB?

Orders placed before 1 PM (Mon–Fri) are usually dispatched the same day. Standard, next-day, and Saturday delivery options are available. You can return the item within 30 days if it is unused and in original packaging.