top of page


  • Writer's pictureVerso

Can you use a 13A FCU on 3KW systems?

Is 3KW too much for our trusted 13A Switched FCU (Spur) to handle for something like a 3KW immersion heater or electric heater?

We look into the maths behind some of the claims, as well as our trusted BS7671 regs book to find out more. We also take a look what the manufacturers of 3KW immersion heaters have to say on the matter.

To top it off we get to announce the winners from last weeks video as well as some exciting new additions to the #MyInstall rewards program.

Sign up here today for FREE


Recent Posts

See All


bottom of page