HI just drained all radiators in house as best i could, added new radiator
in upstairs bathroom where previously no radiator. Refilled system bleeding all rads as they filled up , variable pump working but rads cold downstairs and hot upstairs , tried turning all off but 1 downstairs to push flow through this worked but when opened up all rads, downstairs rads went cold again! Variable set on highest setting , any ideas? :oops:
could be air still getting in or you ned to balance the rads
i think there is a section on it in the projects section if not come back and some will guide you thru it
bob
you were right bobplum i balanced rads downstairs 1st , and turned all off upstairs then when piping hot, balanced the ones upstairs, thks alot. Next job is to replace feed and expansion tank , lots of sludge etc in old one got myself some sludge remover and fernox mb-1 as water coming out of rads was a bit murky , any tips when flushing out?
slight snag! After turned heat off then back on couple of the rads cooler , some have trv , some dont should i balance them properly using thermometer on flow/return etc..? Also 1 rad (old style) crackling when heating turned on , is it air getting in thru valves or limescale build up?
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