"Brian Sharrock" wrote in message
...

"Peter Taylor" wrote in message
.. .

"Brian Sharrock" wrote in message
...

If you place the hot water cylinder side-by-side - (do you mean standing
on the same platform with their bases at the same level?) - then the
hot-water cylinder will only fill to the level of the upper-surface of
the cold water tank. Water doesn't 'fall' up-hill.

Siphon?

Peter
Peter; your point is?

Water in a "siphon" does _not_ fall up-hill. Siphonic action only results
in fluid from a pipe being discharged at a lower level (height aka head)
than the source , The pipe may or may not take a path which 'goes' up hill
(being pushed by the differential (air) pressure between the source and
discharge points,,,, but the fluid will go only go 'down-hill'.

Perhaps you need to retake Siphons 101 along with Sarcasm 101.

It wasn't sarcastic, daft or maybe stupid I accept. I'm at home with flu
and feeling woozy, and probably my brain wasn't in gear. Your message
started me pondering about the possibility of water being siphoned out of
one tank into the other if the connections were at different levels and I
began to write you a message. But I couldn't work out what I was trying to
ask so I cut most of the message and just left the one word as a question.
No malice was intended but I'm sorry you were offended.

If you had a situation where the HWC inlet was higher than CWS tank outlet,
water flowing into the HWC would look as though it was flowing uphill. I
was trying to work out whether this could create a siphon, and whether the
water would keep flowing after a tap is turned off .......

Madness. It's the relative water levels that count, not the connections.
That's what I couldn't fathom last night. Doh! )

Peter


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