Description
Viessmann Vitodens Boiler Flow Sensor Switch 7841830
The Viessmann 7841830 Flow Sensor is a replacement part designed to monitor water flow within your Viessmann boiler system, ensuring efficient and reliable heating performance. This sensor helps maintain optimal boiler operation, protecting your system from irregular flow or potential damage.
Manufacturer: Viessmann
Manufacturer Code: 7841830
Part Type: Flow Sensor / Miscellaneous Part
If you’re looking for a  Viessmann Spares follow the link provided.
Why Choose This Product?
Choosing this Viessmann flow sensor switch ensures precise monitoring of water flow. It safeguards your boiler against damage and improves energy efficiency. The new part fits perfectly and maintains your heating system’s reliability. Its high-quality manufacturing meets strict standards for long-lasting use.
Delivery and Return
Place orders before 1 PM for same-day dispatch via reliable couriers. Choose from standard or next-day delivery options. Returns are accepted within 30 days if the part is unused and in original packaging. Always use a Gas Safe registered engineer for installation to keep your warranty valid and ensure safety.
Frequently Asked Questions
1. What is the function of the Viessmann flow sensor switch?
The flow sensor switch monitors water movement in the heating system. By detecting flow, it ensures the boiler operates correctly, prevents damage due to low water flow, and maintains overall system performance.
2. Which boilers are compatible with this flow sensor switch?
This flow sensor switch fits Viessmann Vitodens 050-W BPJC 29kW combi boilers. It is also suitable for other compatible combi and system boiler models where the 7841830 part number is specified.
3. How does the flow sensor switch improve boiler performance?
By accurately detecting water flow, the sensor ensures the boiler operates efficiently. It prevents issues caused by insufficient water circulation, safeguarding internal components and maintaining consistent heating performance.
4. Who should install the flow sensor switch?
Installation should always be performed by a qualified Gas Safe registered engineer. Proper installation is essential to maintain the system’s performance and ensure safe operation of the boiler.
5. Can I return the flow sensor switch if it doesn’t fit my boiler?
Returns are accepted within 30 days as long as the part is unused and in its original packaging. Always check the part number before purchase to confirm compatibility with your boiler model.








