Shower Isolator Switch Replacement

It's the switch that isolates the power to your electric shower, so it can be safely turned off for use or maintenance. It's usually a ceiling-mounted pull-cord switch in the bathroom, or a wall switch fitted just outside it.

Yes. An electric shower must have a means of isolation on its own dedicated circuit. Inside a bathroom this has to be a ceiling pull-cord switch, or a wall switch located outside the room.

Yes, it's designed to be left on and only switched off for maintenance or when you're away. But if the switch buzzes, feels warm or smells of burning, turn it off and get it replaced.

You don't need to. Leaving it on is fine for normal use. Only switch it off if there's a fault or you're away for a long period.

No. A switch that gets warm is a warning sign that the contacts are worn or the switch is underrated for the shower. This is a fire risk and should be replaced quickly.

Usually the internal contacts are worn or the pull-cord mechanism has failed. Buzzing, a stiff cord or the shower not switching on all point to a switch that needs replacing rather than repairing.

No. It must be replaced by a qualified electrician to be safe and meet the wiring regulations.

We charge a fixed price for the switch supplied and fitted, with same-day availability across Nottingham and the East Midlands. See the price above.