hot water heater

Started by NWBearcat, October 05, 2020, 10:08:31 PM

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NWBearcat

Wondering if anyone's had the problem? while after running the hot water heater for 8-10 min to heat water the water running through the shower or kitchen sink comes out a mixture changing from hot, cold ,lukewarm ,and back . I'm sure its heating long enough, not sure whats' up?