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- 27 Sep 2004
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hi guys, after the hot water only has been on some of the rads seem to be warm.. the heating zone valve is off (i can manually open it and it springs back to the off position) but the pipe work behind the valve does get warm after 15 mins or so, sao i think the zone valve must be letting some water through. Is it possible to adjust them or do you think i need to put a new one in? (cant remember the make of it at the moment, but its a 2 port one.)thanks Chris