where does the cold water come from when it comes out of the faucet since we have water heaters then what gives us cold water?
In: Other
The water pipe that comes into your house delivers water at roughly room temperature. In summer it might be warmer and in winter it might be colder.
Where it comes into your house, the piping forks off. One fork directly feeds all the cold-water things like toilets and the cold knobs of faucets… and the other fork goes to the hot water heater which supplies all the hot faucet knobs.
The facets we have these days, where you can control one stream of water with two knobs… those are called “mixer faucets”. It used to be common for sinks to have *separate* faucets for hot and cold.
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