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Cast Iron Radiator Valves - Adjusting

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Lasasj
Lasasj Member Posts: 1
in THE MAIN WALL
The radiators at the far end of my house are not warming up like the ones above the furnace, which are very hot. I suspect the pump is undersized, but my question is:



Can the valves I have be adjusted; partially open to force more water to the far end of the house? Will this create any problems with the valve?



Also, I have one or two that are seized up... how much force can I apply without breaking them?



Thanks

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  • nicholas bonham-carter
    nicholas bonham-carter Member Posts: 8,576
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    Some too hot some too cold

    You can loosen the packing nut right underneath the handle with an adjustable crescent wrench a partial turn, and that should allow the valve spindle to rotate. Remember to tighten it back up when finished.

    Have you checked the other obvious things: air bled from radiators, correct pressure on the gauge on the boiler, and aquastat settings?--NBC
  • Charlie from wmass
    Charlie from wmass Member Posts: 4,322
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    Are there two pipes per radiator or one?

    if it is only one you have steam heat. If it is two you may still have steam heat. Do you have a glass tube on your boiler to check the water level?
    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
  • nicholas bonham-carter
    nicholas bonham-carter Member Posts: 8,576
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    What system

    Good question, Charlie.

    Why not post some pictures of the boiler and radiators (inlet, and outlet sides), then we can see.--NBC

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