Search results

Thanks for the help - I put the brown/white wire back to the white terminal - also cut link 1 which is for when a 2 channel programmer is used. New valve started working physically and all the voltages were as someone mentioned before so ive now drained part of the system and actually fitted the...

Sorry guys- it is an orange wire and not red. And the powerhead is an hsa3 which is a mid position actuator.On the honeywell wiring centre-i have 6 possible terminals for the MP Valve. There are green/yellow, brown, grey, blue, orange and white. The new valve has 4 wires. I have connected all...

I have no white wire on the new valve- just red, blue, grey and brown/white. The brown/white is connected into the brown terminal on the wiring centre. Tried it in the white but then nothing happened.

No - the ports are correct. I havent actually fitted the valve yet- its just connected electrically. So i can physically see the spindle position at the minute. The problem is that when hw only is chosen, the hw port closes and ch opens-same as when the ch only is selected.

Hi all, I had my boiler and tank replaced last year but since turning off the central heating this year, we noticed the radiators were still getting hot. I thought it might be the MP valve as when I disconnected the valve electrically - the rads still heated up so the valve was passing. I...