Description
Glowworm Flow Sensor 0020014174 (Black) – New Compatible Part for Flexicom & Ultracom Boilers
The Glowworm flow sensor 0020014174 helps your boiler detect water movement correctly, so it can deliver reliable hot water performance. However, when the sensor becomes faulty, the boiler may struggle to recognise demand or respond properly. Therefore, replacing it with this new compatible replacement helps restore accurate flow detection, improve system response, and support smooth everyday hot water operation.
Compatible Boilers
This part is compatible with the following models:
Flexicom CX Series
- 24 CX – GC No. 47-047-33
- 30 CX – GC No. 47-047-34
- 35 CX – GC No. 47-047-35
Ultracom CX Series
- 24 CX – GC No. 47-019-06
- 30 CX – GC No. 47-019-07
Ultracom CXI Series
- 24 CXI – GC No. 47-019-01
- 30 CXI – GC No. 47-019-02
- 38 CXI – GC No. 47-019-03
If you’re looking for a Glow-worm Spares, follow the link provided.
Why Choose This Product?
This new compatible glowworm flow sensor replacement offers a practical way to restore correct flow sensing and reliable boiler response. In addition, it gives you a cost-effective repair option when the original sensor becomes faulty.
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.
Frequently Asked Questions
1. What does this flow sensor do?
The flow sensor detects water movement inside the boiler system. As a result, it helps the boiler respond correctly when there is demand for hot water.
2. What happens if the flow sensor fails?
A faulty sensor can stop the boiler from recognising water flow properly. Therefore, it may lead to hot water problems or inconsistent boiler response.
3. Is this a new part?
Yes, this is listed as a new compatible replacement. That means it is a new replacement part made to replace the original matching component.
4. How do I check compatibility?
You should match part number 0020014174 with your existing part first. In addition, check your boiler model details carefully before placing the order.
5. Is this a cost-effective replacement option?
Yes, a compatible replacement can offer a practical repair solution at a lower cost. Therefore, it is a good option when you need to restore normal boiler function quickly.





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