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View Full Version : Rad's won't get hot bob r 06 October 2007, 12:57 I fitted a new radiator yesterday and now 2 of the upstairs rads wont heat up. After fitting I bled all the radiators and they were working fine but today, 2 won't get hot. Is there some sort of airlock and how do I get rid of it ? Thanks. slipstream_uk 06 October 2007, 14:01 had the same problem, it was the motor on the gate valve that packed in. But then again it does sound like an airlock wrxcraig 06 October 2007, 18:19 sounds like an airlock, even though you bled the rads there will still be air in the system, let it circulate for a day and then try bleeding the whole system again, Bleed downstairs 1st strarting with the rad furthest away from boiler and work towards the boiler then repeat upstairs. Did you turn any of the valves off on the rads. bob r 07 October 2007, 12:44 Thanks Craig. I will try that. I did not turn off any valves, should I have done? Mog 07 October 2007, 18:20 Best to turn off the hot rads so that the pump is only pushing against the ones which are cold. Mog bob r 08 October 2007, 15:23 Best to turn off the hot rads so that the pump is only pushing against the ones which are cold. Mog :idea: Will try this aswell. :thumb: |