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  1. M

    maximum pipe-length on 10mm pipework (Index circuit)

    I'm using rad manifolds on a my dorma-bungalow house. 8 rads, 6 downstairs and 2 upstairs. I want to put in 4 x 4 port (10mm) manifolds off the 22mm CH feed/return. It would be easier for me to install the 2nd set of 4 port manifolds downstairs and run 2 pairs of 10mm upstairs. The...
  2. M

    No HW or even flow on primatic system.

    Hi, I am in the middle of replacing an old primatic system to a condesing combi system. (With help from a friend who is Corgi). Since I'm living in the house and working I want to do it in stages. I shut off the supply to the single header tank and drained the system (Rads and HW), blanked...
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