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I cut the microswitch from the old 2 port switch and soldered it on to the faulty valve and it's working again now. picture of microswitch if it helps someone out someday. Thank you for everyone's contribution much appreciated. WIFE...TAKE NOTE THIS IS WHY I DON'T THROW EVERYTHING OUT!!!!!

I have took the head off the valve and opened the thermostat. If you look in the picture you can see the switch is depressed so it looks like a microswitch issue?! Are they normally quite robust? I am going to try and swap the switch over from an old valve. When I bought this valve I bought a...

Is your valve a honeywell 2 port also? I have an old one here in the kitchen and it looks like if you manually move the lever to the manual/open position then the lever almost hits the mircoswitch. The one I have has been taken apart a bit so doesn't quite make it but it may have once!? So this...

The other valve is the same the blue wire when connected to the junction box loses 240v not sure why but red herring i think. So the only difference between the two valves is the orange wire on the downstairs is not going live. this is controlled by microswitch? Thanks

Yeah getting 240 v from brown to earth. The blue from the 2 port valve goes to a junction box that then goes back to the wiring centre. I get 240v from the blue from the valve but when I connect to the junction box its no longer getting 240v??

It's a Honeywell valve I bought from Amazon. I am not getting 240v to blue though?

I Have tested the wiring from the Thermostat through the wiring centre to the valve wiring where the light brown wire becomes live when thermostat is turned but the orange wire does not go live? I have placed the valve manually on open. I have an old valve somewhere (this one is just over a year...

Yeah might have to do this. The upstairs thermostat when turned makes the orange wire live on both port valves but the downstairs does not?

I have checked the voltage between pins 2 and 3 and all is well at 240v. I can access the motorised valve and wiring i am not sure the orange wire is live when thermosat is on ? Is that how I would check?

OK Thanks. No Upstairs heats upstairs. Just downstairs not working. Will do as you suggest and report back

Hi I have an S Plan plus pumped CH system with motorised valve for upstairs and downstairs heating. Both upstairs and downstairs have a T6360B1036 that calls the boiler. The downstairs heating thermostat fails to call for heating, it makes an audible click but the boiler does not fire. I was...

So plugs maybe way to go, not much else to try!?

Yeah. They are like thermalite type. Thought it would be ok? I did countersink so got 40mm of screw in block (82mm screws).

Hi I am insulating my utility room using the " warm batten" method. I have fitted the insulation board to the wall with some concrete screws through the batten and board onto the insulated block behind. I am disappointed by the fixings. They didn't pull in particularly tight and I was going...

Thanks. I've had another look and I've just knocked a ball valve thread higher up and its dribbling down so tightened up and looks ok. No need for the torch! Cheers

So drain while system?

Hi I have been insulating the boiler room and bashed a copper pipe coming from the boiler. I think it's the return pipe to the boiler. It's oil fired condensing boiler s plan plus. I have a torch and solder Will I still need to drain while system down to empty water out to fix or is there...

Yeah there is a silver adjusters clip on end of pipe with the earth wire on other end going back to consumer unit. Water pipe is other side of house.. It looks ok then I'll just leave it! Thanks

It has an incoming 10mm oil pipe.

Yeah I kind of thought that even so the tape measure is useful to see the size of the cable isn't it? Does it looks ample size?