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Pressuretrol setting question ......

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Ron Jr._3
Ron Jr._3 Member Posts: 603
in Strictly Steam
What happens if you have a pressuretrol with the " diff " setting higher than the main setting , and the diff is subtractive ?

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  • Steamhead
    Steamhead Member Posts: 16,856
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    Haven't tried this

    but I'd think it would shut off on pressure, and not turn back on when the pressure drops. 
    All Steamed Up, Inc.
    Towson, MD, USA
    Steam, Vapor & Hot-Water Heating Specialists
    Oil & Gas Burner Service
    Consulting
  • Ron Jr._3
    Ron Jr._3 Member Posts: 603
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    Gonna have to try it

    next time I go back to do a skim and purge on a system . My guess is it would cut back in at 0 psi , but that;s just a guess .............. 
  • Jamie Hall
    Jamie Hall Member Posts: 23,332
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    Steamhead's right...

    I've found that out the hard way.
    Br. Jamie, osb
    Building superintendent/caretaker, 7200 sq. ft. historic house museum with dependencies in New England
  • SWEI
    SWEI Member Posts: 7,356
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    making it into

    a kind of manual reset high limit control?
  • Jamie Hall
    Jamie Hall Member Posts: 23,332
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    Yeah,

    but that wasn't the idea at the time... !
    Br. Jamie, osb
    Building superintendent/caretaker, 7200 sq. ft. historic house museum with dependencies in New England
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