Vaillant Control Knob Brand New Replacement Part

The Vaillant control knob 20074963 allows clear and accurate adjustment of boiler settings during daily use. This brand new control knob helps users manage temperature and operating modes smoothly and confidently. Moreover, it restores proper control when an existing knob becomes worn, loose, or damaged. Because it fits securely, it improves usability and keeps boiler operation simple and reliable.

Compatibility :

• ECOTEC Plus (System): 415, 418, 428, 438
• ECOTEC Plus (VU Series): 612, 615, 618, 624, 630, 637
• ECOTEC Plus (Combi VUW Series): 824, 831, 837
• ECOTEC Plus (Store/Integrated VUI Series): 937
• ECOTEC Pro (Combi VUW Series): 24, 28

Important fitting advice

We recommend that all parts are fitted by a fully qualified Gas Safe registered engineer. If you need help confirming the right part, contact us our team has 10+ years of boiler spares knowledge and friendly chat support to help you quickly.

Delivery

At Boiler Spares Hub, we dispatch orders within 1 working day (Monday-Friday). Orders placed outside working days will be dispatched on the next working day. For delivery options available for this product, please add it to your basket or check our delivery options page.

Returns

We accept 30-day returns. Returns must be in an unopened, sealed box. If we find the item has been used or installation was attempted, we may refuse the return.

Frequently Asked Questions (FAQs)

1. What is Vaillant control knob 20074963?
A control knob used on compatible Vaillant boilers to operate boiler settings via the control panel.

2. What does the control knob do?
It lets you adjust/select functions (such as temperature or operating modes) depending on the boiler model.

3. What problems can a faulty knob cause?
Loose spinning, cracked knob, poor grip, knob not turning properly, or difficulty changing settings.

4. Is this an electrical part?
The knob itself is usually a mechanical control interface, but it connects to the boiler’s control selector behind the fascia.

5. Can I replace it myself?
If it’s a simple external knob swap, it may be straightforward, but if the fascia needs removing or internal access is required, use a qualified engineer.