How are electric towel rails controlled?
Andrew Mccoy
Updated on January 17, 2026
Electric towel rails are powered by mains electricity and use a heated 150 or 250-watt heated element. When the towel rail is switched on, the element heats the liquid inside the rails. Electric heated towel rails are not part of a central heating system – ideal for summer months when central heating is switched off.
How do you control a heated towel rail?
The most common method for adjusting temperature will be to adjust the knob by turning clockwise to turn off - I.e. cool or anti clockwise to open and up the heat. Turning the knob could be difficult, and so pliers might be required.Do electric towel rails have a thermostat?
So, to circle back to our initial question, do electric towel rails have thermostats? Mostly, yes. Many towel rails come with some form of thermostatic control, offering more advanced and convenient heat management.How does an electric towel rail element work?
Electric towel rails are fitted with an electric element and filled with a water inhibiting fluid. The element heats up the fluid and the towel rail is heated by a process known as convection.Do heated towel rails have an on/off switch?
A standard heated towel rail will typically come on and off in accordance with the main central heating system. An electric rail has an on/off switch and most contain an automatic safety cut-off if the rail starts to get too hot.Electric Towel Rail Radiator Element - Plumbing Tips
How do you turn off an electric towel rail?
To turn off your towel radiator, first turn off the central heating and allow the towel radiator to cool down. Then adjust the valve, turning it in the direction it would normally be turned to reduce the heat. When it can't be turned any more, the radiator should be turned off.Do electric towel rails need valves?
Straight valves should be used when the inlets are at the bottom of the towel rail and the pipes are protruding from the floor. Angled valves will be needed if the water needs to be diverted at a 90-degree angle. This is often the case when pipes and valve inlets are situated at the side of the radiator.How do heated towel rail valves work?
A standard heated towel rail works by being plumbed in and connected to your copper pipes, just like your radiators. Your gas-fired boiler comes on in accordance with your thermostat and timer settings, and hot water flows around the network of pipes in your home to heat the radiators and heated towel rails.Why is my electric towel rail not getting hot?
The entire towel rail gets warm but not hot enough.Thermostatic element should be set to maximum temperature and turned on for at least 24 hours. If the towel rail is still not hot to touch the element is probably undersized (there may not be an alternative because the next size up may be too big).