Special Offer: Wi-Fi Immersion Switch Supply + Installation for €280

Immersion Heater Thermostat


Includes part and installation. Excluding VAT.

Price quoted is for an immersion heater thermostat replacement. If you require a new installation, please contact us for a quote.

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If your thermostat breaks, we suggest you're careful with setting your heating system and get it repaired as soon as you can. The immersion heater thermostat replacement cost is generally fixed, and is listed on this page.

The thermostat is one of the most important parts of your immersion heater. Whether you use oil or gas, there are huge benefits to having and maintaining an effective thermostat.

A thermostat ensures that your boiler will switch off when the water heats to a certain temperature, saving energy and preventing your system overheating.

Most systems installed in the last 5-10 years are fitted with an immersion heater thermostat. Due to their nature, they rarely last as long as the boiler and then end up needing to be replaced when they break.

Aside from this, they prevent mechanical problems. If your boiler heats without the temperature being kept in check, the water will eventually boil. This will cause damage to your radiators and pipes, as they're not designed to manage that level of heat. It can also cause the water to turn to steam, removing water from your system, and filing it with hot air.

All these problems are easily preventable. An immersion heater thermostat replacement is a no-brainer for keeping your central heating system in working order.

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