It means that you're in trouble, or that you're going to be in trouble.
The image is of a person who has fallen into a hot pot of water and is going to get scalded.
I have read that the expression derives from times when hot water for bathing was in short supply and one using it out of turn would get in trouble.
However, the expression immediately suggests to me the Cartoons and jokes I used to see in which missionaries or explorers were placed in a big soup pot by cannibals who captured them.
Cannibal Boy: I've brought a friend home for dinner. Cannibal Mom: Put him in the fridge and we'll have him tomorrow.
What happens if you upset a cannibal? You get into hot water.
you are in trouble so dont push it
Someone being "in hot water" means they are "in trouble".
I believe it means they are in trouble. Example: A student didn't do their homework and they might say ..."Geezz I forgot to do my homework. Boy am I in hot water now!
It means that through your own actions you have made a problem or difficulty for yourself. That you have got yourself into trouble.
"In hot water" means in trouble, so you are not in trouble.
What do you mean by hot water system? If you mean hot water tank than a three wire hot water tank means that its 220 volt electric. If you have to ask than don't touch it
to scouloing hot water
That they are hot.
it all depends on which crystals you mean, salt crystals can dissolve in both hot and cold water they dissolve quicker in hot water as the hot water acts as a catalyst for this
I assume you mean "When your hot water needle does NOT work." Thermostat.
it mean a scale of hot water boiling
If you mean, compared with cold water, it doesn't. Hot water has to cool down first, before it freezes.
The term instant hot water means that the time it takes for hot water to be accessed is minimal. Instant hot water is used in contrast to systems where an individual has to turn on hot water and then wait for the water to go through the process of warming up.
Not sure what you mean by "hot water valve". More info please.
It refers to hot people seeing cool water and being attracted to it.
I means you are feeling hot as popping