immersion heater not enough hot water


Postby scutmore » Thu Jan 08, 2009 11:54 am

[/b]Hi, there is not enough hot water from my immersion heater. if i leave the immersion on all night and have a bath or shower in the morning it runs cold after about 3 or 4 minutes. the size of the cylinder is 4ft deep by 1.5ft wide. i refitted a new element about ayear ago. the size of the element is approx 2 ft. do you think that the elemet is not sufficient? on the side of the tank it says that the maximum element size should be 200mm less?
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Postby plumbbob » Thu Jan 08, 2009 5:45 pm

You don't say what type of cylinder it is, but a standard immersion element is 700mm (27") long. The shorter type that you seem to have are only used to give a small "emergency" supply of hot water.

Obviously you have checked the temperature setting to ensure the water is at 65 degrees?
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Postby mattpark » Fri Jan 16, 2009 11:04 pm

You have not said whether you have gas heated hot water as well as the immersion, if so what type of system is it ?
If you do have gas I would strongly recommend using it and only use your immersion for 'breakdowns' - as its far cheaper than putting the immersion on overnight.
If you fitted a new element, was it like for like ? and - did it provide sufficient hot water for your system before you changed it ?
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