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Can't Control Hot Water Temperature, System 2000 EK-1
I have an Energy Kinetics System 2000 Model EK-1 which was installed back in the middle 1990's. Recently noticed the floor was wet around the base of the 40 gal water tank and discovered that the tank had apparently sprung a leak.
I replaced the hot water tank with a Rheem 50 gal electric water heater (it was available, the price was right and I didn't think the extra 10 gal capacity would make any great difference). The water heater has 2 electric heating elements and thermostats. I disconnected all the electric heating equipment and wired the lower thermostat to the system manager.
I shortened the dip tube to around 20" but was not able to heat and seal the end as per the original installation instructions. The tube was made of polypropylene and would not seal.
I have tons of hot water but I can't control the temperature. I dialed the tank thermostat to it's lowest setting (90 deg), the system is cycling normally and I have hot water temps at the tap of over 130 deg.
I tried using the upper tank thermostat and I ended up with less than 1/2 a tank of very hot water that didn't last very long.
Any thoughts on what I might be missing here, suggestions on how to rectify the situation would be greatly appreciated.