Description
Vokera DHW Actuator 20029985 – Replacement Part
The Vokera boiler DHW actuator 20029985 helps control the flow of hot water inside the boiler, so your system can switch correctly when there is demand for domestic hot water. However, if the actuator becomes faulty, you may notice poor hot water performance or irregular operation. Therefore, replacing it with this brand new part helps restore smooth switching, reliable hot water delivery, and dependable everyday boiler performance.
Compatible Boilers
This part is compatible with the following models:
Prisma Series
- 24S – GC No. 47-970-06
- 24SE – GC No. 47-970-04
- 28S – GC No. 47-970-07
- 28SE – GC No. 47-970-05
Savio GAIA Series
- 424S – GC No. 47-970-08
- 428S – GC No. 47-970-09
If you’re looking for Vokera 3 Way Valve Cartridge 10025305Â follow the link provided.
Why Choose This Product?
This brand new DHW actuator offers a reliable way to restore proper hot water operation in your boiler. In addition, it helps ensure accurate internal switching and dependable daily performance. It is a practical replacement choice when your existing actuator has worn out or stopped working correctly.
Delivery and Return
Order before 1 PM for same-day dispatch with standard and next-day delivery options available. Returns are accepted within 30 days if the part is unused and in its original packaging. However, always use a qualified engineer for installation and safe boiler operation.
Frequently Asked Questions
1. What does the DHW actuator do in a boiler?
The DHW actuator helps manage the boiler’s domestic hot water function by controlling internal switching when hot water is needed. As a result, it plays an important role in smooth and reliable hot water performance.
2. What happens if the DHW actuator fails?
A faulty actuator can affect the boiler’s ability to respond correctly to hot water demand. Therefore, you may notice poor hot water performance, inconsistent operation, or switching issues.
3. Is this part brand new?
Yes, this Vokera DHW actuator 20029985 is supplied as a brand new replacement part. That means it is a fresh component ready for installation in the correct compatible appliance.
4. How do I check if this is the right part?
You should match part number 20029985 with the number on your existing component or boiler parts diagram. In addition, checking your exact boiler model helps avoid ordering the wrong part.
5. Who should install this part?
A qualified heating engineer should install the actuator to ensure correct fitting and safe operation. This also helps protect the boiler and supports reliable long-term performance.





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