Frogleg wrote:

snip
Another consideration for measuring temperature on discharge is that,
whiile the washer might be fed with really hot water directly from the
heater, surely it cools down a bit as it sloshes around in a cold
metal tub with the laundry. This sounds like excellent material for
a paper of some sort. :-)

FWIW, the state of NM has just passed legislation allowing the use of 'grey'
water for lawns, plants etc. We can use water from the clothes washer but NOT
water from the bath or sink.

--
John S. DeBoo