Broag Remeha Flow Switch Assembly - 720545001
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Product Information
Full details
This Broag Remeha Flow Switch Assembly (MPN: 720545001) is designed for homeowners and heating engineers as a crucial safety device for domestic hot water and central heating systems. Its key benefit is ensuring boiler operation only when water is flowing, preventing dry firing and potential damage. A critical caveat is that this part *must* be fitted by a certified Gas Safe engineer. The flow switch features an in-built sensor that monitors water movement, feeding this information to the boiler's system.
All features
| Model Part Number | 720545001 |
|---|---|
| Brand | Broag Remeha |
Extended Product Information
FAQs
Who should install the Broag Remeha Flow Switch Assembly?
This part must be installed by a certified Gas Safe engineer due to the nature of gas and heating system work.
What is the main function of this flow switch?
Its primary function is safety: it ensures the boiler only operates when water is actively flowing through the system, preventing damage from dry firing.
Can I test the flow switch myself?
No, testing and diagnosing issues with the flow switch and associated heating system components should only be performed by a qualified Gas Safe engineer.
What happens if the flow switch fails?
If the flow switch fails in the 'off' position, your boiler will not operate. If it fails in the 'on' position (less common), it might allow the boiler to run without flow, potentially causing damage. Professional diagnosis and replacement are required.
Where is the flow switch located in my heating system?
It is fitted within the pipework, typically on the return or flow pipes for either the domestic hot water or central heating circuits, close to the boiler.
What does MPN 720545001 refer to?
MPN stands for Manufacturer Part Number. 720545001 is the specific unique identifier for this Broag Remeha Flow Switch Assembly.
What is the benefit of having a flow switch?
It acts as a critical safety device, preventing the boiler from igniting if there isn't sufficient water flow. This protects the boiler's heat exchanger and other components from overheating and damage.
Troubleshooting
Boiler not firing up when hot water or heating is demanded, despite pump running.
This could indicate the flow switch is not detecting water movement. The system may have an airlock, low pressure, or a faulty pump. A Gas Safe engineer must diagnose and rectify this. The flow switch itself might be faulty, requiring replacement by a professional.
Intermittent hot water or heating.
An intermittent flow switch signal could cause the boiler to cycle on and off erratically. This is a complex issue that requires professional diagnosis to rule out pump issues, system blockages, or a failing flow switch. Contact a Gas Safe engineer.
Error code displayed on the boiler.
Refer to your boiler's specific manual for error code interpretation. An error related to flow or ignition may point to the flow switch or associated components. Always consult a Gas Safe engineer for diagnosis and repair.
Pros and Cons
Pros
- Enhances boiler safety by preventing operation without water flow.
- Protects heating system components from damage.
- Ensures efficient operation of hot water and heating.
- Designed for reliable performance within heating systems.
Cons
- Requires professional installation by a Gas Safe engineer.
- Functionality is solely dependent on correct installation and system water flow.
- Not a user-serviceable part; replacement is necessary if faulty.
Setup, Compatibility & Care Instructions
Setup: The Broag Remeha Flow Switch Assembly (MPN: 720545001) is a replacement part. It must be installed by a certified Gas Safe engineer. The engineer will isolate the system, remove the old switch, and install the new one in the designated location within the pipework for either the domestic hot water or central heating system, ensuring correct orientation and secure connections.
Compatibility: This flow switch is specifically designed as a replacement for the Broag Remeha 720545001. Always confirm compatibility with your boiler model before purchase. Refer to your boiler's manual or consult a qualified engineer.
Care: As this is a sealed component integrated into the pipework, there is no routine user maintenance. The only 'care' involves ensuring your overall heating system is regularly serviced by a qualified professional. This includes checking pump operation, water pressure, and the general health of the system, all of which contribute to the flow switch functioning correctly.