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L608A vaporstat hi low fire set up

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clammy
clammy Member Posts: 3,113
in Strictly Steam
How succesful has any one been using them for hi low fire control ?any real issues i should be aware of before i set out to use it for a hi low fire set up ,thanks for any input peace and good luck clammy
R.A. Calmbacher L.L.C. HVAC
NJ Master HVAC Lic.
Mahwah, NJ
Specializing in steam and hydronic heating

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  • Steamhead
    Steamhead Member Posts: 16,856
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    If it's the usual setup

    where the Vaporstat breaks the circuit to drop the boiler to low fire, it will work fine. 
    All Steamed Up, Inc.
    Towson, MD, USA
    Steam, Vapor & Hot-Water Heating Specialists
    Oil & Gas Burner Service
    Consulting
  • JStar
    JStar Member Posts: 2,752
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    Ahh.

    I was just thinking about this concept the other day. Made a post about it. Figures, it already existed somewhere.
  • Dave in QCA
    Dave in QCA Member Posts: 1,785
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    W-M Option

    Weil-McLain uses the setup you describe as on option on its LGB model boilers.
    Dave in Quad Cities, America
    Weil-McLain 680 with Riello 2-stage burner, December 2012. Firing rate=375MBH Low, 690MBH Hi.
    System = Early Dunham 2-pipe Vacuo-Vapor (inlet and outlet both at bottom of radiators) Traps are Dunham #2 rebuilt w. Barnes-Jones Cage Units, Dunham-Bush 1E, Mepco 1E, and Armstrong TS-2. All valves haveTunstall orifices sized at 8 oz.
    Current connected load EDR= 1,259 sq ft, Original system EDR = 2,100 sq ft Vaporstat, 13 oz cutout, 4 oz cutin - Temp. control Tekmar 279.
    http://grandviewdavenport.com
  • JStar
    JStar Member Posts: 2,752
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    Hmph.

    Well, at least I know it's a good idea. For whatever that's worth.
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