Immersion heater

[Matt887]

These two immersions have no power going to them, I was going to look at changing the fuse first then the possibly the stat
I no it's not a great set up but it's a temporary measure until the house gets converted to a combi boiler.

 

[Matt887]

Picture

 

[oldbuffer]

1. If they are on the same fuse or circuit breaker, then if both are on together its is bound to blow. Each will be 3 kW, total of 6 kW or around 26s.
2. If they are wired separately to different fuses / circuit breakers, they should be OK.
3. When you say they have no power going to them, do you mean:
3.1 You have used a multi-meter and determined there is no voltage between live an neutral at the leads going into the covers? OR
3.2 Neither heater works?

 

[Scally-Ho]

There seems to be what looks like a time switch under that circular plastic cover, so have you set it up for the times you want the water hot?

 

[Matt887]

It's switched to on, on the fuse spur. There is power to the fuse spur. But no power coming out of it

 

[CountryFan]

It's switched to on, on the fuse spur. There is power to the fuse spur. But no power coming out of it

What test equipment was used to confirm this?

 

[Collectors]

Best to use a multi-meter & test the L+N of the flex going to the emersion. If your not confident with testing live electric DONT. With 2 emersions there is a 90% chance the lower one is off peak & will only have power between 12 & 6am on the cheap rate. But the top one should be live 24/7.

 

[Harry Bloomfield]

These two immersions have no power going to them, I was going to look at changing the fuse first then the possibly the stat
I no it's not a great set up but it's a temporary measure until the house gets converted to a combi boiler.

The picture of your cylinder and it's two immersion heaters, look rather odd to me....

It's obvious, the bosses for the immersion heaters, have been sweated in after manufacture, but the one at the base of the cylinder, is very much lower than they are normally installed - idea is, they are normally limited to only heating water above the cold water input boss at the base. The idea is to discourage the cold, from mixing with the hot, collecting in the upper part of the cylinder - I cannot see where the cold water goes in.

As mentioned above, the upper element, is normally used during the day, to provide a small top-up amount of hot water, the bottom element, often heated via off-peak, at night rates, when a bath full is needed.