Once the water temperature reach -4°,it does not freeze anymore,
NO. PVC is for cold water only, CPVC is for hot or cold. I say forget the CPVC and just use pex.
Because hot water heater breaker has tripped, or hot water heater has failed.
Given the lack of clear markings for H and C on the washing machine, I can only think of trial and error to resolve the issue. For example, turn off the cold supply from the mains pipe, and attempt a 'cold wash'. If no activity ensues, then the connections are correct.
Assuming a single boiler, if some location is not getting cold water either a valve is closed or a line is blocked with mineral deposits.
Dirty water can mean several things. If you are talking about turbidity(cloudy) water then here are the most common reasons. If only in the hot water, probably you hot water heater. These are big steel tanks that corrode and over time build up sediment. This transfers into your hot water lines from the tank.
maybe the people are poor and looking for water and dirty water is the only water they can get.
It means the baby has a dirty diaper, is hungry, is cold, or wants attention/companionship.
Only in water coolers.
Check piping. Make sure cold line going into cold side of water heater and hot side coming out hot side. Cold feed for water heater should come off main cold line. Make sure valves are open to and from water heater.
like you keep a tropical water fish only you should provide it cold water instead warm water.
No. You do not get a common cold by being cold or in the cold or cold water, that is an old belief from before viruses were known to be the cause of a cold. See the related questions below for more information about this myth.
No. Water closet is another name for bathroom.
Manatees aren't usually found in cold water because their bodies only survive in warm water climates. The manatees are found in warm water climates only.
Once the water temperature reach -4°,it does not freeze anymore,
No, the people of Britain did not have to drink dirty water before the Romans arrived, Britain had clear, unpolluted rivers and streams, so clean water was available. The only problem for the native Brits was access to the water. Their towns and villages had to be built near to a fresh water supply. When the Romans arrived they brought their system of aqueducts enabling the water to come to the people instead of the people having to go to the water.
"Cold-blooded", or ectothermic, only means that they lack the ability to regulate their body temperature. It does not mean that they operate well in cold temperatures. Reptiles don't like being cold any more than people do.