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All of our radiators in a three-story townhouse are well-balanced except for one. It's on the middle

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DPronto
DPronto Member Posts: 7
in Radiant Heating
Hello all,

All of our radiators in a three-story townhouse are well-balanced except for one. It's on the middle floor, and similar in size to the others. They have all been checked for proper pitch and replaced with properly sized air vents with the largest air holes on the furthest radiators.
We have even tried replacing it with a smaller radiator and snaking the steam line. We are baffled as to why this normal-sized radiator will not get more than half hot. Does anyone have any ideas?

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  • JohnNY
    JohnNY Member Posts: 3,230
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    Whoever suggested snaking your steam pipes...don't let them touch anything ever again. The amount of steam a radiator receives is the result of many variables. Perhaps the piping to it is too small. Or it joins with other branches that rob it of steam. Maybe the boiler is too small. Maybe simply putting large air hole vents on the farthest radiators isn't the right thing for your system. You need a proper steam heating specialist to look at the system. Not just any plumber or HVAC guy.
    Contact John "JohnNY" Cataneo, NYC Master Plumber, Lic 1784
    Consulting & Troubleshooting
    Heating in NYC or NJ.
    Classes

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