Noob question about hot water heater

Discussion in 'Water Heater Forum, Tanks' started by BrianLH, Jul 13, 2014.

  1. BrianLH

    BrianLH New Member

    Messages:
    2
    Location:
    Seattle, WA
    Our upstairs hot water heater (Rheem 81sv40D, fwiw) sprung a leak. We turned off the power and water while we wait 5 days for the insurance company to send someone out to look at it. Of course, it's still leaking (from the bottom) and causing water damage below.

    Noob question: Does only water to be heated go through the hot water heater or does all of it? The reason I ask is that I want to drain the unit to stop the water leak, but do we open hot water taps or both?
  2. Reach4

    Reach4 Active Member

    Messages:
    2,234
    Location:
    IL
    Only water to be heated goes through the water heater. Usually there is a valve that you can close at the input to the water heater.
  3. BrianLH

    BrianLH New Member

    Messages:
    2
    Location:
    Seattle, WA
    Yep, I closed that valve and drained the tank using the tap at the bottom of the tank. I was just curious if both temps travel through the tank. Thanks for the info!
  4. Terry

    Terry Administrator Staff Member

    Messages:
    15,004
    Location:
    Bothell, Washington
    If you have to wait days for the repair, I would take the water heater out of the loop, but installing a flex between the hot and cold.
    Right now, anytime someone opens a faucet that mixes, you can get water from the hot side, which puts water back into your tank, even if the cold supply is shut off.
Similar Threads: Noob question
Forum Title Date
Water Heater Forum, Tanks replaced anode (picture) and some questions Aug 23, 2014
Water Heater Forum, Tanks Water heater and high gas usage question Aug 11, 2014
Water Heater Forum, Tanks Expansion Tank Question - also a water pressure question afterthought! Aug 8, 2014
Water Heater Forum, Tanks water heater over temp (T & P ) valve piping question Jun 25, 2014
Water Heater Forum, Tanks 2 water heater tanks parallel question May 9, 2014

Share This Page