I'm having a problem heating the radiators downstairs in the house and feeding hot water in to the boiler at the same time - basically there is a valve on the boiler in the hot press, the more I close this valve the hotter the radiators downstairs heat up, the more I open the colder they get - problem is if I want the radiators downstairs to heat up I have to more or less close this valve - only have it open 1 turn at the minute - fine set-up for the radiators but the water feeding into the boiler must be flowing at a slower rate as it takes more than double the time to heat the water when compared with having the valve open 3 or 4 turns!
Each valve on the individual radiators in only open a couple of turns - just had the boiler serviced but was a problem before then - guy said there was clothes on top of this blue box next to the boiler and these were preventing some metal pin from moving across - some sort of a regulator - but I've never seen this metal pin move.
Radiators upstairs seem fine.
Any advice or help on this would be very much appreciated.
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