Recently purchased house built in 1955. I noticed that the hot water in the kithchen both faucet and dishwasher is barely warm. In the two bathrooms, however, water is sufficiently hot. Setting on gas water heater is set almost to full hot. Home has only one water heater. What could be going on. New service line from city meter to house replaced. Thanks in advance.

David

Is the pressure the same for the Kitchen faucet hot?

If not, then there may be a valve on the hot line that supplies the ki faucet and d/w that is partially closed.

Follow your hot line from the kitchen on back to the tank and be sure any valves you find are fully open.

Tom should be checking with a good explanation of the plumbing issues. This may be a big enough problem to expect the sellers to make it right. Major systems of even an old house are expected to be working, pluming, HVAC, roof, etc. It doesn't pay to live with problems or rig things. You may be forced to pay to have them fixed after you sell.

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Originally Posted by davidinok

recently purchased house built in 1955. I noticed that the hot water in the kithchen both faucet and dishwasher is barely warm. In the two bathrooms, however, water is sufficiently hot. Setting on gas water heater is set almost to full hot. Home has only one water heater. What could be going on. New service line from city meter to house replaced. Thanks in advance.

David

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Good morning David,

I guess that the water pressure is Ok in the kitchen since you didn't list that in your complaint. Ordinarily I'd focus on the kitchen faucet cartridge for some kind of a cross connection between hot and cold water but Since the dish washer is supplied off the hot water supply ahead of the faucet that would put the problem upstream in the branch. There has to be a crossconnection between hot and cold water somewhere in the branch to temper down the hot water to luke warm. Has there been any work or new fixtures added to your plumbing system? Ricks adviceto follow the line back to the heater is good advice. You have hot water in the main to the bath room branches. What has happened to the kitchen branch? If I were there I would go feeling the hot water main pipe from the bath room branch to the kitchen branch for any temperature drop. Some where along there will be a temperature drop and that's where you'll find your problem. Goodluck, Tom