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hello can anybody advise me i have just replaced the honeywell y plan motorised valve onto the main brass valve . but in order to put the the heating on i have to push the spring loaded lever to the left manualy then the heating will fire up . once i turn it off and command hot water only...

thankyou very much for your advise have managed to correct the fault using your information regards colin

thanks for that reply apparentely the yellow and green is a single wire which is the switched wire would this help regards colin

hello chris when i replaced the new valve i copied the wiring exactly but during my investigation i have tried to sort out the wires at the back of the rwb9 but cant seem to get any sequences right would you happen to know it i have the following little black/ little red/ big red/big black/and...

hello chris when i replaced the new valve i copied the wiring exactly but during my investigation i have tried to sort out the wires at the back of the rwb9 but cant seem to get any sequences right would you happen to know it i have the following little black/ little red/ big red/big black/and...

hello can anybody help i have recently installed a y plan motorised valve to my system and since then have been experinced problems with my rwb9 programmer .iam wondering if there is a certain way that this valve should go on .i was told to push the spring loaded mech to the far right to...

can anybody help im am wondering if there is a replacement i can get to replace this controller ie a non digital one is they dont seem to last all that long with me regards colin :( :(

hello mick just to let you know i have taken all wires out of connecter block reinstated them all and would you believe it i have heating .cant thankyou enough regards colin coppini

hello mick the valve was replaced because the spring mechanism had gone totaly i will try to get someone to check those wires and let you know regards colin

hello mick i have just checked the thermostat and it is on high the motorised valve has also just been changed it is a honeywell va 4073a1039 im not sure what one it is but to the left =a middle =ab and right is b if this is any help regards colin

mick ive already fitted new controller its just when i put the central heating on either manually or auto it doesnt click down at the back of the boiler regards colin

can anybody advise me i have a problem with the controller to the backboiler ie when central heating is called for manually it dosent click in . where as if i call for hot water it does .i have recently bought a new rwb9 siemans controler as the old one was all distorted at front screen any...