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Because someone switched the lines or labeling. <
1- Someone installed the piping not bothering to read modern codes requiring water hot and cold to be 6" apart
2- C/W supply to a tank or other heat source does not have the 27" heat trap (loop) to prevent stratification of hot water molecules entering the potable water supply
3- Failure on the part of an installer of appliances that use both hot and cold water supply to have an air gap or vacuum breaker or the very least a check valve
4- Cold water lines picking up ambient heat from the surrounding air or close contact to heating lines
5- Cross connections see #3
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∙ 13y ago
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The valve in the faucet?
cold water tub facuet is corroded bye hard water builtup and needs to be replaced. Hot water is okay. Its the right one with the cold water coming out
Why is hot water coming out of cold faucet?
Obviously hooked up wrong, or the faucets are mismarked . Usually cold on the right, hot on the left.
No cold water only hot in moen faucet?
if it is a single lever faucet the cartridge needs to be replaced. check the supply valve under the sink first,
Why do you have to turn on two faucets for one to get hot water?
If you have an instantaneous hot water heater, and your faucet doesn't flow enough water it won't turn on the water heater. Thus requiring another faucet to be turned on.
Why does the water become cold when filling the bath from your combination boiler?
Because you are using the Hot water faster than the boiler can produce it. Turn the tap/faucet off a bit. Get the proper sized boiler
Why does cold water come out of a hot faucet first?
Unless there is a recirculating pump the hot water has to come from the hot water heater. Depending on how far away it is from the faucet, it can take 15 to 30 seconds for the hot water to get there. Since there is nothing in the pipe to keep the water hot, it cools down between uses.
Can a hot water heater siphon to cold water faucet?
Yes
Why would hot water be coming out of the cold faucet and a toilet when other bathrooms are unaffected?
I'm no plumber, but I would imagine that (if the hot faucet is giving you cold water) that the hot and cold pipes leading into the bathroom have been somehow switched.
Do you use the water heater when you use just cold water?
If water is only drawn from the cold faucet, then no, the water heater is not involved. However, if water is drawn from the hot faucet- even for a few seconds- hot water IS withdrawn from the heater, and fresh cold water drawn in to be heated- even if the hot water did not make it all the way through the pipe to the faucet- and the water heater will work to heat that fresh cold water.
Why does Hot water come out of the cold water line for what seems like quite a while before lukewarm never really cold water?
The seals in the faucet most likely need replacing.
Is it true or a myth that you have to use the cold water faucet to pour water into a pot to boil?
true, the water is going to get hot either if you use cold or hot water You did not answer my question of if it was "true" or a "myth" that the water had to be from the cold water faucet. From what you did respond to it sounds as if the question I generated means it is a myth that the water "has" to be from the cold water facuet.
How do you connect the sprayer to the hot and cold water?
Kitchen faucet? If so, the sprayer attaches to the underside of the faucet in the middle.
Why hot faucet water is not safe to drink?
Burn your tongue and throat is about the only issue. Hot faucet water is no different than cold water you heat on the stove or drink in your coffee.
Why does only cold water come out of a moen faucet?
It's probably not the faucet. It could be that there's an obstruction in the hot water side of the fixture, but it's more likely that the hot water isn't getting to the fixture in the first place. The easiest thing to check is that the hot water valve at the wall under the sink is on.
Why does a bathtub faucet come out with really hot water and really cold water and you can't get it to the intended temperature?
If it had been working fine -- then if it is a cartriage type -- replace it --
Why would no water come out of any hot water faucet but if I turn on the cold water in the tub then the sink with the hot water knob on will run cold water I am thinking the pipes can't be frozen if w?
You probably have a blocked or frozen pipe into the H/W tank.
Why does the cold water fauset suddenly have hot water?
You have a cross connection on a faucet somewhere in the house. That means the hot is overriding the cold because of a malfunctioning faucet. Usually happens at the tub/shower diverter if it is a single handle.
