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    Balancing a CH system containing a bypass rad?

    Our CH system has TRVs on all but two of the rads (hallway w. the thermostat and a towel rail in the bathroom) which act as bypasses for the pump. The boiler (a Windhager pellet boiler) does not incorporate any form of bypass circuit so, as I understand it, we need one or more rads without TRVs...
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