Energy saving guides

Immersion Heater: All you need to know
A boiler with a temperature gauge and a wrench in the background
Energy Saving -

Immersion Heater: All you need to know

What is an immersion heater and how does it work? What are the immersion switches for? Is it cheaper to leave the immersion on? Is it safe to leave it on? Find out everything you need to know about the immersion heater and tank with our complete guide today.