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New Floor

Dave_4
Dave_4 Member Posts: 1,404
in THE MAIN WALL
If the radiator risers come from the open cielinged basement below, crack the c.i. ell that the riser pipe comes out of, clean the threads well, put a new c.i. ell in, install a 1/4" longer riser nipple and play with it a tad.

If however that option does not exist, cutting the legs down 1/4" may be the next best option. Since the rads are already DC'd (disconnected) now is the time to cut off the 1/4". Another option might be to put what's called an extension coupler on the riser. This will add ~ 3/4" to the riser threads, but would preclude cutting the rad legs, and add via some form of decorative "shim" under each leg.

Last choice, and one that may work best, is to simply place the rads back in to the correct footprint to assure a good union draw-up, mark a circle on the new floor under the four rad legs where the old rad will "stand," and remove the rad, use a small pilot type wood bit and make perfect holes in the new floor for the old rad's four legs to sit "in," and drop the rad into the drilled holes - then, tighten the union.

The neater the 1/4" deep hole back to the surface of the old floor, the better!

Let us know what you decide.

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Comments

  • Mark_96
    Mark_96 Member Posts: 8
    New Floor

    I just put new flooring under my single pipe steam radiators. They are now 1/4 in. to high for the system pipes. The pipes DO NOT MOVE at all. Can the cast iron legs be ground down by 1/4 in., and if so who could do this type of work. If not grinding the legs down, what othe solutions????

    Thanks
  • J.C.A._3
    J.C.A._3 Member Posts: 2,980
    Ken,

    You got it brother! "If you can't raise the bridge...lower the river". Chris
  • tim smith
    tim smith Member Posts: 2,841
    grind down or drill holes

    I would think that shortening legs would be the cleanest as long as the legs are not hollow which I don't think they are. Maybe just grind down the legs on the valve side of radiator, if it is a 1 pipe system then you will get pitch automatically. Other option is mark for the legs then use a forsner bit, ? I think I spelled it right. Great bit for doing clean holes in wood. Again, maybe just on valve side of radiator legs. Tim
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