drain cock

  1. R

    Leaking CH drain

    Opened our CH drain to drain the system and now it won't fully close. I've fitted a new drain elsewhere on system so happy to bung this old one up, any tips? Photo from before I opened it.
  2. H

    Isolator valve instead of drain cock

    Any reason why I can't use an isolator valve instead of a drain cock in a central heating system to allow for rads to be drained easily? https://www.screwfix.com/p/isolating-valve-15mm-10-pack/32802 Isolator valves are used on hot water pipes so no reason why they can't handle the heat on...
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