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I have a 245,000btu crown steam boiler with 2 risers in a moderatly well insulated 4 family unattched building ,boiler is less than 1year old problem is front riser ,farest from boiler takes very long to heat while the rear,closet to boiler heats very well. how can the heat be equalized ?

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  • marc2280 Sep 16, 2010

    the distance to the farest riser from the boiler is approximetly 50 feet latterily the boiler seams to not be able to sustain the steam long or fast enough to comfortably heat the 2 front apartments on the morning cycle. it is a 2 story,4family building 2rear apts. heat fine, 2front apts. need adjustment

  • marc2280 Sep 17, 2010

    the piping is the correct diameter & there are only 3 45s on the run, 1 at the boiler riser, 1straight out at the end of the approx.50 ft. run, 1 to the radiators, 1st & 2nd floor approx. 10ft. in on the front wall

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There should be a valve on the lines that regulates gas pressure between the two risers,, (assuming its gas i ant familair with this model) ,, adjust it a bit to regulate the two,, a bit of trial and error will be needed..

ELETRIC..

same thing ,, in this case its a variable resistor which allows power flow to the two .. there should be once for each,, adjust that a bit to even it off.

Posted on Sep 17, 2010

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The pipes are too narrow and have too many bends.
You will need to completely redo the piping: connect the 2 front apartments directly to the boiler using larger pipes and with a more streamlined design.

Posted on Sep 16, 2010

  • Azrael SRL Sep 17, 2010

    That appears correct - but i would still fit larger pipes. In the mean time check the circuit for obstructions such as lime or corrosion deposits or other junk left in there during install.

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I don't know much about these, but here is a .pdf file that looks like it might have some information about riser equalization.
I can't open .pdf files due to a problem with Adobe, but here is the link:
www.mid-lakes.com/pdfs/ML_06_Heat_Catalog_Section_2.pdf
Hope this helps you.

Posted on Sep 16, 2010

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http://www.fixya.com/support/r3904286-steam_system_steam_radiator_air

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