Residential hot water drop in pressure


Hi,
A relative of mine recently installed a bathroom fixture for the sink. And now there seems to be a drop in the hot water pressure throughout his house.
Any suggestions as to what may be the most likely causes?
Thank you, Dean
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Dean,
Did your relative shut off the whole house, or did he maybe shut off the water heater valve? If the hot water pressure drop is system-wide, then either the cold feed to the water heater isn't on all the way, or there's some rust obstructing a main hot pipe somewhere. It'll take some detective work.
Mike
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I "fixed" a customers water pressure problem just a couple of days ago by opening their main shut off valve all the way.

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