Please help:
How can I get water flowing out from Cold water pipes from the taps. (Air locks?? ) Only effecting the upstairs two bathrooms we have wash basins with Mono taps i.e.. Single hole taps with lever turning Left for hot & Right for cold, also the cold water in the Cisterns has stopped, when the taps are in hot water positions the cold water starts coming slowly into the Cisterns. The downstairs cold water taps are fine (think they come direct from mains)
Many Thanks!!

Hi alphatel and welcome to The Plumbing Page at AskMeHelpDesk.com.
Are you located in the UK where the pump water up to a holding tank in the attic and your fixtures are gravity fed? Let me know, Tom