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Can anyone help with a frustrating problem? A few weeks after new boiler/time controller fitted September 2004 - Gloworm 40FF - had problem with HW not heated; that program warmed rads only. Plumber came back, diagnosed old mid position valve as faulty and replaced it. He had difficulty with...

Hello all, I have an ongoing problem with recurrent airlocks of all HW in traditional gravity fed indirect/open vented cylinder system. My previous posts below refer (hope these show correctly): //www.diynot.com/forums/viewtopic.php?t=22341...

Hi all. My post 4/3/05 12:52 refers - thanks to ChrisR for his advice so far. Problem is that ever since mid position valve replaced, we get recurrent airlocks in our hot water pipes/can't get any hot water out of taps. It is a gravity fed system, with HW cylinder heated by boiler, so...

Please help, at end of my tether :cry: System is traditional Y plan, Gloworm 40FF boiler, Grundfos pumped primary circuit for rads/immersion coil, gravity fed HW by loft tank. New boiler fitted Sep 04, great for 5 weeks then HW not heated, only CH. Company called back, said Honeywell mid...