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Posted by Harold Kestenholz on December 05, 2008 at 10:09:29:
In Reply to: Re: pressure setting posted by jack on December 05, 2008 at 09:31:10:
: Would it be the same for a 2 pipe system? I'm currently setting it a main 1.5 and diff .5 but the boiler seems to be doing alot of short cycle to reach the temperature. Is that normal or should I adjust the #'s? Thanks.
I'd have to know if you have two pipes on the radiators because it is a vapor system with water traps in the basement
or it is a real two-pipe system with traps, usually used in large commercial-industrial buildings.
A trap-type two-pipe system runs at a higher pressure to overcome trap pressures.
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