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one-pipe steam how much pressure??

SpeyFitter
SpeyFitter Member Posts: 422
in THE MAIN WALL
Good Question. Maybe you could try putting it at the end of your largest main, instead of on the boiler. Maybe you could also put a 2nd low pressure gauge there at the end of the main and then you would be able to measure the actual pressure drop in the main at various boiler pressures. Not sure why you'd need to know that but it'd sure be interesting.

I think that it'd have to be more accurate to have the vaporstat at the end of the main as opposed to on the boiler and you could certainly set it lower there, because of the pressure drop in the main. Whadayathink? Has anybody out there tried this?

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  • nicholas bonham-carter
    nicholas bonham-carter Member Posts: 8,578
    one pipe--how much pressure??

    now that i have a low pressure gauge 0-5psi,i wonder how low i can set my vaporstat.
    i need to find a better place to mount my gauge on the boiler other than the factory manifold as the water column seems to throw off the reading, so until then i have it on a radiator. it shows .2 psi!
    can you ever have too little pressure??
    all rads appear to get equally hot so maybe this pressure is ok
    nbc
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