In message <
am7n4l...@mid.individual.net>, Huge
<Hu...@nowhere.much.invalid> writes
>On 2013-01-22, usenet2012 <
usene...@invalid2012.org.uk> wrote:
>>
>> Our airing cupboard, (containing hot water tank, CH pump & shower pump),
>> occasionally develops a 'bad smell'.
>
>Ours did the same. It turned out to be (after a *huge* amount of
>investigation) a failing joint where the spade connector was welded
>onto the wire tail of the immersion heater, which was high resistance,
>overheating and burning the plastic around it. I finally only found out
>because the spade connector fell off when I pulled the wire off it one
>day.
>
>Take the cover off your immersion heater and have a rummage round inside...
>
The wiring to our ancient immersion heater is indeed old & decayed and
I've put a sign on the cover shouting a warning to anyone unwary but we
it's permanently disconnected from the power supply.
Or could the heat from the tank be causing the emission of the smells
from the decaying plastic?
I will nose around with more precision.