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two stage fire for steam systems

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tom stockard
tom stockard Member Posts: 1
in THE MAIN WALL
Does anyone know if there is any substantiated savings for two stage fire on steam systems in the 350-550 mbh input size. Are there any other upsides or downsides?

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  • Firedragon_4
    Firedragon_4 Member Posts: 1,434
    There's alway a savings in multiple

    firing rates, but at what pressures are we talking? If there's not enough pressure to do the job, step-firing can be tricky. In process apps at 75 psi and more savings can go to 20%.
  • sal_2
    sal_2 Member Posts: 1
    thermocupling

    I like to know wy are four boiler in bsmt. all the same size and name.....burnham 203 one of them i after change the thermocupling two or three times a year.
    tankyou.........
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