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  1. Nofossil

    Nofossil Moderator Emeritus

    Joined:
    Oct 4, 2007
    Messages:
    3,402
    Loc:
    Addison County, Vermont
    I'm not sure about the 40, but I think the 60 and 80 have two nozzles. I know some people have experimented with blocking off one of them to get a more useful heat output level.

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  2. Fred61

    Fred61 Minister of Fire

    Joined:
    Nov 26, 2008
    Messages:
    1,715
    Loc:
    Southeastern Vt.
    True! Forty has one nozzle.
  3. JP11

    JP11 Minister of Fire

    Joined:
    May 15, 2011
    Messages:
    1,166
    Loc:
    Central Maine
    Ditto. The whole idea of these things to get the heat into the water. Anything that inhibits that is robbing efficiency. I do mine every 3 to 4 weeks... after I notice about a 50 degree rise in my average flue temps.
    flyingcow likes this.
  4. JTWALL

    JTWALL New Member

    Joined:
    Feb 2, 2013
    Messages:
    68
    Loc:
    Greene, NY
    I would appreciate pics if possible on thermocouple placement. Is blower control (TC #1) automatic or manual?
    Are temps from thermocouples free air temps? How are thermocouples attached/wires riuted? Thanks.

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