Can floor probes or power supply cables for underfloor heating be extended?

Heating probes are an essential component of electric underfloor heating systems. They help to evenly distribute heat throughout the room. Heating probes come in a variety of shapes and sizes to fit different types of flooring. They are typically made of metal or plastic, underfloor heating probe installation can be done either before or after the flooring has been installed.

If you are ready to install the electric underfloor heating, but realise that the floor sensor cable or the floor probe is too short, what can you do about it?

If the floor probe or power supply cables are too short upon installation, both of them can be extended and must be altered by a qualified and certified electrician only.

Both cables require a different type of extension. The power supply cable can be extended with a suitable twin and earth cable. The floor sensor can be extended with bell wire. Please contact a certified electrician for detailed advice on extending the cable.

Be mindful that when it comes to positioning the floor probe, hot water pipes in the floor, you should avoid doing so in any draft prone places (such as an external doorway) as this may affect the thermostat.

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