I am having a problem where all of my faucets and showers only release lukewarm water (about 91 degrees F). I have recently purchased this house and replaced the hot water heater. Originally we thought the problem was with the hot water heater. It was found that the new unit was defective (no dip tube). Today the unit was replaced again. This one is functioning and water is hot at the tank. With the new heater installed, For example, At the kitchen sink it will come out hot (120 degrees) for a few seconds then level off back to about 91. I am trying to get an idea of what the problem could be before I hire them to come back out and fix. I can provided further details if needed but don't know where to start.
Please help.
Please help.