Search results

Thanks.. with mine set to CH... when the HW is called for I hear the motor move.. could it be the spring thats gone?

Thanks for this.. Can it really fail one way only?

Hi all, After a bit of help, this is not my area! Came home today to found the house was cold. After some testing found it was the Honeywell v4073a Motorised Valve. (3 pot) Was going to replace it, but after some testing not 100% sure its at fault, or suspect its gone in a strange way...

any one ?

Sorry for the VERY late reply.. hope this still reaches you... I have take a pic of both ends, in an attempt to trace the plue wire.. Boiler end: Thermostat: hope this helps.. agian sorry for the late reply.

Will have a look at the weekend.. Thanks for all the help so far!

its this one: http://www.screwfix.com/prods/45944/Plumbing/Central-Heating-Controls/Siemens-CZV322-3-Port-Motorised-Valve

THanks for the reply... I will do my best to check.. Not wanting to confuse, but i have recheked the valve... its at Siemens-CZV322-3-Port-Motorised-Valve? Are the above comments still valid? the blue wire.. Looks like its part of a 4 core cable, Yellow, Red, Blue, Earth...

Hey, many thanks for the reply.. The valve is a Honeywell V4073A 3 Port Motorised Valve from screfix At the moment the Heating and the water are tied together.. This is the reason I want to move to a dual channel system. Water on constant.... Heating on timed.. Thanks

Thanks... C27? is that 2 channel? Its more the wires worring me

Hi, Im sure this has been asked many time before, but I just want to be sure before i start.. I want to replace a very old grasslin T2002 on a what I belive is a fully pumped system with a 3 port valve. My quesiton is around the connections in the current timer.. Currently there are...