my girlfried has just moved house she has got a large hot water tank which contains two immersion heaters. Can we link these to a timer or do we need seperate timers?
immersion heaters
Nov 01, 2009
6 Replies
Usually, one is to heat the top, to provide a limited amount of water for economy reasons, whilst the second heats the whole tank. Connecting them together, to a single timer, would obviously negate this option.
Andy C
rote:
and may overload the circuit supplying them
NT
Good point. Should have made it myself. ;-)
Andy C
However, you can get timers specifically designed to cope with this, and only use one element at a time, such as
formatting link
Normlally you use something like this
formatting link
bottom heater is on the Economy 7 and the top one is on the daytime Boost.
If the two heaters are on one 20A circuit there should be an interlock in the programmer so they don't both run simultaneously.
Owain
You'll probably find the lower one is on the economy 7 circuit and is already timeswitched. The top one is usually only used manually if you run out of hot water.
Al.
Join the Discussion
Have something to add? Share your thoughts — no account required.
Didn't find your answer?
Ask the community — no account required