immersion heaters

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?

Reply to
delboy
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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

Reply to
Andy Cap

rote:

and may overload the circuit supplying them

NT

Reply to
NT

Good point. Should have made it myself. ;-)

Andy C

Reply to
Andy Cap

However, you can get timers specifically designed to cope with this, and only use one element at a time, such as

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Reply to
Chris J Dixon

Normlally you use something like this

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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

Reply to
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.

Reply to
Al

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