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Just spent this evening messing about with switch lever positions. Nothing works. No matter what sequence the switches are activated in the power to the motor is turned off. Obviously an electrical component issue now. I will continue to put up with the clicking and await its untimely demise...

My last powerhead on my Honeywell three port valve has failed and luckily I had a brand new spare from a previous valve change. I fitted the new powerhead and everything was fine for a day and then the gear box started slipping. On investigation the brass cog activated by the Synchro...

Brilliant just got it all working thanks to your help. Have an extra sugar in your tea or something stronger if you like you deserve it. I really appreciate your time.

The one valve I have is a honeywell three port,( Y Plan set up ). To get the Thermostat working I was thinking of using the relay to intercept the feed from the programmer to the wiring centre. If I was to connect the CH programmer output to port A on the RF Relay relay and then connect...

No terminals 1 & 3 are on the wiring centre. I am confusing things with mentioning the heat controller on the boiler and calling it a stat.

Thanks for the prompt reply. This is not to replace any previous stat that was fitted this is to add some extra control as bored on relying on programmer and boiler stat to regulate heat in house. I will break the multimeter out and have a look again when not working.

I have the exact same set up as described in this post previously DT92E and Honeywell wiring centre. I have wired it up as previously mentioned however no luck. Live and Neutral of relay connected up to programmer L & N Relay A and B connected up to Room Stat connectors 1 and 3...