Recent content by andymck

ok, i will replace the valve. Thanks for your advice.

Its about 10 years old now i guess. If it is the innards being worn out, why does it stop banging when i click on the HW? Should i not notice some issues if the innards were dodgy, i.e. the HW not going to the tank or the radiators? Thanks Andy

here ya go: Excuse the dog hairs that have gathered round everything! Really must pull ev thing out and clear it all down.

Tried setting pump to all settings 1,2 and 3 and the banging occurs on all 3. The fact that the banging stops when the HW is switched on and after the motorised valve moves position surely indicates that something is faulty either with the motorised valve head (part HSA3) or the valve...

Just had it confirmed there is no auto bypass....

Heres an image showing the plate on the boiler and its make and model info The pump is set to "2". Have also tried it on one. Havent tried three yet as two was very noisy. There are no thermostatic valves on the radiators Not sure if there is an automatic bypass on the boiler, how...

Hi, thanks for your reply. Port A is connected to the CH and Port B to the HW. I cant spot a make on the valve but its model number is HSV3, see photo below: Any further advice very much appreciated. Andy

Hi, my home hot water and central heating system is implemented with a Danfoss Randall Fp715 si HPP system...see link below http://www.plumbitcentre.com/epages/BT3194.sf/en_GB/?ObjectPath=/Shops/BT3194/Products/000006 The heating system is an oil based sealed System with a conventional...