I have replaced my electric water heater and I have checked everything I can think of and I still run out of hot water in 3 minutes. What on earth is the problem.
3 minutes?? does the water run cold then? or just warm?
Is this what the tank you replaced was doing?
If so, then you may have:
1 a recirculating pump instant hot water system thats faulty and allowing cold water backflow into hot water piping.
2 A tempering valve that has stuck, allowing cold water into your hot water system.
Or maybe a broken or missing dip tube in your new heater.
If after 3 minutes the water is coming cold out leave that faucet running and go to heater and feel the hot water outlet pipe from the heater. if that pipe is hot then the heater is not the problem.
If the hot pipe from the heater is cold the heater is the problem.
(Make sure the cold pipe coming into the heater is connected to the Right side marked "cold" !)
If there is a tempering valve by the heater:
feel the output from the tempering valve, if it is cold and the pipe from the heater to the tempering valve is hot, then the tempering valve is the problem.
If all these are OK
somewhere in your plumbing system hot and cold may be connected
possibly a faucet or showerhead that is shut off at the spout/head, but hot/cold handles are left turned on then cold water can backflow thru hot pipe.
Jan 18, 2010 |
Rheem 40 GAL ELEC TALL Water Heater 6YR SC...