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  1. #1

    triangle tube water heater

    i can't seem to find a drain. on this water heater. curious how the tank is suppose to bne drained. there is a drain on the boiler pipes. I don't care to drain boiler just domestic.

  2. #2
    Join Date
    Nov 2008
    Location
    Seattle
    Posts
    8
    I have the same water heater tank and was surprised to see no drain. The installer said that's the way they are. I guess given how the water is heated with the indirect coil suspended in the tank (Smart 60), sediment build up on the bottom of the tank is a non-issue.

  3. #3
    Join Date
    Aug 2010
    Location
    MidAtlantic
    Posts
    126

  4. #4
    Join Date
    Jan 2002
    Posts
    1,196
    Quote Originally Posted by stovebolt46 View Post
    I have the same water heater tank and was surprised to see no drain. The installer said that's the way they are. I guess given how the water is heated with the indirect coil suspended in the tank (Smart 60), sediment build up on the bottom of the tank is a non-issue.
    It's a tank-in-tank design..no coil.

    The cold inlet gets a T put on it and and a drawoff to pump/siphon the domestic side if need be.

  5. #5
    Join Date
    Nov 2008
    Location
    Seattle
    Posts
    8
    Quote Originally Posted by hydronicsman View Post
    It's a tank-in-tank design..no coil.

    The cold inlet gets a T put on it and and a drawoff to pump/siphon the domestic side if need be.
    You are absolutely right - I forgot.

    Thanks Codyt for the Smart tank animation, I'd never seen that.

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