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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.

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Q: Why does cold water come out of a hot faucet first?
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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 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.


Where do the bath water come from?

A faucet.


Why does orange water come out when you first turn on the faucet in the bathtub?

mostly because of rust deposits


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 does only hot water come out of the bath shower with the cold turned on?

First make sure that the hot and cold supply lines (the plumbing) aren't backwards (hot should be on the left as you are facing the faucet) or that someone accidentally ran two hot lines. For the problem to be in the faucet itself you would have to have a single handle faucet. If this is the case the control valve is broken and should be replaced. Three handle Left= Hot Water Flow. Right= Cold Water Flow Center= Controls whether the water comes out the shower head or tub faucet. Two handle Left= Hot Water Flow Right= Cold Water Flow (Diverter Valve is elsewhere if it's a tub/shower) Single handle One handle controls both water pressure and temperature


Where does tap come from?

Tap water comes from the water faucet. It gets to the water faucet from the water treatment plant through the water storage takes and lines.


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 do water continually come in upstairs sink?

Faucet needs repaired.


How do you get rid of calcium build-up in the PVC cold water line if it has caused the cold water bathroom faucet to slow to a trickle?

I wouldn't think PVC would attract the calcium particles, at least not to the extent you're talking about. On the other hand, the metal pipes in your faucet will. Try cleaning the faucet first. If you find you have calcium buildup in your faucet, you can either try cleaning it with a product called CLR (Calcium, Lime, Rust) or simply replace it. Good luck.


Can you disconnect the sprayer and still use the faucet?

If the sprayer hose screws onto the faucet, you can get a cap for that fitting. If it pushes into the faucet, I do not believe there is any plug available for that type. You have to have something on the hose fitting or water will come out when you turn the faucet on.


How do you stop the water from the hot water tank coming to the tap?

There is a shutoff valve on the cold pipe going into the H/W tank, if you close it no water will come out of the tank. There should also be a shutoff valve on the wall below each faucet/tap.