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 Hot water only gets warm
Author: floodzone (FL)

Ever since we installed a new kitchen faucet the hot water never fully heats up. The old faucet worked fine. My wife is convinced that cold water is being mixed with warm. All other faucets get very hot. Kitchen gets warm but only after 7 - 10 minutes of running. Can there be an internal problem with the faucet? (Her intuition proves correct around 100% of the time)

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 Re: Hot water only gets warm
Author: hj (AZ)

Not likely, but we do not have enough information to make a proper diagnosis. It may require an "on site" plumbing inspection to determine the problem, if there is one.

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 Re: Hot water only gets warm
Author: stuckinlodi (MO)

Reach under the sink and turn off the cold water shutoff valve. Then run the new faucet and see what happens.

Does this new faucet have a safety anti-scalding feature where it mixes cold water with the hot to prevent excessive hot water from flowing out the faucet? If so that may be the problem, it may have an adjustment, read the paperwork that came with the faucet.



Edited 1 times.

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 Re: Hot water only gets warm
Author: floodzone (FL)

Thank you Stuck in Lodi! I will follow your advice!

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 Thank you! :cheers:
Author: floodzone (FL)

I turned off the cold and the hot worked MUCH better. I'll contact Delta to see if there is an anti scalding adjustment. THANK YOU! By the way, I hope it's not Lodi Ohio!



Edited 1 times.

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 Re: Thank you!
Author: North Carolina Plumber (NC)

Is it a touch faucet ? You have to install check valves in the supply lines of those.



Edited 1 times.

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