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Proposal to

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Fizz
Fizz Member Posts: 547
in Strictly Steam
overcome excess edr.  See attachment.  Steam guy doesn't want to replace pipes with larger pipes, feels it's too invloved, suggests re-routing lateral B off branch to new branch off main.  Connected EDR to current branch(A) is 82, the laterals are 3/4" except for C which is 1".  By doing so connected EDR to A would be reduced to 44, with 38 connected to propose piping.  Reason for seeking a fix is that only rad off C heats well at all times, other 3 will heat together if valves on rads off B are opened slightly, and rad on D opened all the way, however, rads off B will heat minimally, and D slightly better.  If the rad off B are opened more, then D doesn't heat.  Any feedback appreciated.

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  • jumper
    jumper Member Posts: 2,246
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    easier

    Easier to enclose rad that's too big.
  • Charlie from wmass
    Charlie from wmass Member Posts: 4,322
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    How about changing air vents

    If you use Vent Rite #1 adjustable vents and slow down the larger rads vent speed and adjust the others as needed.
    Cost is what you spend , value is what you get.

    cell # 413-841-6726
    https://heatinghelp.com/find-a-contractor/detail/charles-garrity-plumbing-and-heating
  • Fizz
    Fizz Member Posts: 547
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    My bad

    should have specified, it's a 2 pipe, Richardson System,  However, the second rad attached to lateral B was an add-on, with a traditional trap.  The valve is throttled back to about 10% of supply range. 
  • Fizz
    Fizz Member Posts: 547
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    There really is no

    large radiator involved in the 4 mentioned.  Largest EDR is 24, lowest 16.
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