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Heating cables – the solution for water pipes at risk of freezing

The cold season brings a number of challenges, such as the risk of frozen water pipes around the house and garden. A heating cable reliably protects pipes against frost. In this article we explain how it works and what you need to consider when using it.


 


 

What makes a high‑quality heating cable?

horizont heating cables feature an integrated thermostat with automatic temperature detection. The thermostat switches on at around +3 °C and off again at about +13 °C. A protective contact plug supplies the cable with power and allows an output from 17 to 768 W.

What should I consider when choosing a heating cable?

Selection: The length of the cable must match the pipe run to be protected. Heating cables must not be cut to length. Measure the route and, if necessary, choose the next longer cable. If you have any questions, our customer service will be happy to help.


 

How is the cable attached to the pipe?

The pipes to be protected must be freely accessible and undamaged. Lay the heating cable straight along the pipe without crossing or overlapping and fasten it at regular intervals with temperature‑resistant tape or cable ties so that it lies flush against the pipe. The thermostat must also be attached firmly to the pipe.

How do I connect the cable to the power supply?

Once the cable is attached to the pipe, plug the protective contact plug into a 230 V socket. The integrated thermostat switches on at a temperature of +3 °C and switches off again at +13 °C.

 

What needs to be considered for plastic pipes?

If a plastic pipe is to be protected against frost, the heating cable must not be installed directly on the pipe. First wrap the pipe completely with aluminium adhesive tape. This increases heat transfer and ensures the heat is distributed evenly over the pipe.

 


 

What do I need to consider when operating a heating cable?

The cable must not be operated when coiled or wound. Avoid kinks and any mechanical damage. Follow all safety instructions in the manual. Installed heating cables must be protected against animal bite.

Can the cable come into contact with water?

The heating cable has an IP67 protection rating. This means it is dust‑tight and protected against temporary immersion. However, it must not lie in water for extended periods or be in permanent contact with water.

Can I use a heating cable to protect plants from frost?

Some plant species, e.g. palms, can be protected from frost with our cables if they are installed correctly. Important: the heating cable must never come into direct contact with the plant. Always use suitable insulation and observe the maximum surface temperature. If the cable overheats and burns out, the plants may also be damaged.