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Yes gravity fed system, tried cleaning rads and flushing but nothing. Assuming it is flow valve is it a diy job or get someone in.

:( Hi,can anyone help. Have a baxi bermuda sl3 fire and back boiler. Had problems last year with hot water but no heating. Plumber called and fitted vavles each side of the pump and new pump. Got heating going but next day nothing again. He called back out and bled system but still nothing...

Pump is horizontal. Pipe from boiler goes up through ceiling, then right angle joint to pump and on to pipework under floor

Dont understand about vents etc (i hate plumbing)Basically system is pump directly above back boiler in cupboard in bedroom with pipework running under floorboards to rads and hot water tank and on up tofeed tank in airing cupboard in end bedroom about 25 feet from pump.Cold water tank next to...

pump flow is from boiler,i was just confused by which way it should be,cant find anything else to look for .Could there be air in the boiler?

water in header tank tops up as normal when rad is bled but i am confused. checked feed pipe down to hot water tank outlet, is the pump flow directed away from the back boiler to the hot water tank or vice versa.Checked and found systm fitted by previous owner about 25 years ago and guy was jack...

checked tank, water black, dont know what has been put in system but never been checked before.Somebody came up yesterday and took thermostat out of fire and (boiled)up pipes which he said sometimes worked but not recommended.This didnt work, so would my next step be to flush system and if so...

yes, pump spinning, room stat on,pump isolators open and all rads bled. Had this problem before and have spent hours turning off pump,bleeding pump and turning back on until i get a whoosh and rads get going, but since changing pump(which i thought was the problem) i cant get anything but the...

Can anyone help. Just fitted new wilo 50 pump,bled pump and rads but still no heat. Its a baxi bermuda sl3 fire and back boiler,about 6 years old, plumbing about 20 years old,gravity system.Had it on for about 10 minutes then went off