coldwater

Hey all, So let me describe my problem first and then I'll describe the specifics of my installation. The Problem: Over the past 2 weeks we have began experiencing the cold water sandwich for the first time since installation. It doesn't"t happen consistently, but when it does we often go from...

My wife and I just had our old water heater replaced with a Takagi T-K4U-OS-N. When showering, I noticed the system tends to go from hot to luke warm to cool and then back to hot again. Also, when we initially ran a bath for our daughter, the water started out hot then just went completely cold...