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Leave 22mm or replace

Discussion in 'Plumbing and Central Heating' started by Alan51, 18 Jan 2021.

  1. Alan51

    Alan51

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    I've replaced my old radiators and rejigged where they sit in the rooms (two smaller spread apart rather than one huge). The existing system now has a 4m length of 22mm that feeds two radiators and just doesn't need to be that size. Would the system run better with the pipe reduced to 15mm or better to just leave in place. Currently have floor boards up so now is the time if needed.
    Thanks
     
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  3. terryplumb

    terryplumb

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    Leave it as is. No benefit whatsoever in reducing sizes of central heating pipework.
     
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