Honeywell AM-1 Thermostatic Mixing Valves. ( water heater tempering )

Discussion in 'Water Heater Forum, Tanks' started by Terry, Feb 2, 2012.

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  1. Terry

    Terry Administrator Staff Member

    Joined:
    Aug 17, 2004
    Occupation:
    Plumber
    Location:
    Bothell, Washington
    Honeywell AM-1 Series Thermostatic Mixing Valves. ( water heater tempering )
    Many plumbing codes require a tempering valve to prevent scalding if you have a tub that people bath in. A tempering valve takes the cold water and mixes it with hot water and dials it down to a suitable temperature.
    Some adjust between 70 F and 120 F
    And you can also get one that does 70 F to 145 F

    Raising the water in the tank to 140 F helps to prevent the growth of Legionella bacteria.

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    • Allows homeowners to store water at 140 F and
    higher to prevent legionella growth, but receive
    safe, comfortable 120 F water at sinks, shower
    or tub
    • Designed to increase the amount of usable hot
    water by up to 50 percent
     
    Last edited: Aug 6, 2012
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  2. Terry

    Terry Administrator Staff Member

    Joined:
    Aug 17, 2004
    Occupation:
    Plumber
    Location:
    Bothell, Washington
    Installing the AM-1

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  4. Terry

    Terry Administrator Staff Member

    Joined:
    Aug 17, 2004
    Occupation:
    Plumber
    Location:
    Bothell, Washington
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    Honeywell AMX300 Tempering Valve Kit for water heaters

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    Installed on a gas water heater.
     
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  5. Terry

    Terry Administrator Staff Member

    Joined:
    Aug 17, 2004
    Occupation:
    Plumber
    Location:
    Bothell, Washington
    [​IMG]

    Here is a smaller unit located in the bathroom, under a lav cabinet for the garden tub.
     
    Last edited: Aug 15, 2020
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