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All working fine, thank you.

Fingers crossed all seems to be working fine now. I will leave it all for a 24 hr run and report back. Only thing I havent checked is if the DHW heats the rads when CH off. Cheers so far. Steve

Have just done that. Will let you know if rads cool. Once cool I will turn the heating back on and let you know the outcome.

Still wired as per conversion instruction. When I turned hot water on all the rads came on hotter than when I just had the heating on.

okay, done that. Just DWH on but all rads have now come on with vengance ! Storage came on too.

neither it seems at mo

Everything is now wired according to above post. When jumper is set to A the heating comes on but the rads to not get hot. When Jumper is set to B both the heating and Water come on (heating won't come on independantly) and the rads get hot. The old system used to all independant. Any ideas?

Sorry for the delay. The valve is the on on the left with 3 inlets.

Sorry, meant 3 to 1

Hi, Yes in my attempt to get things working I re-wired terminal 4 to terminal 1. Doing this got the radiators working but only with the hot water OFF. When wired to terminal 1 it all swithces on ok and fires up but the rads do not get hot. Will swap them back in the morning then but...

A bit hard to tell which it looks like but it seems to have a sprung lever which is positioned to the far left. The valve number as far as I can make out is a Honeywell 9145. There is also a pump near the valve. The jumper between A and B is currently removed. When ther hot water came...

Hi, I have just swapped a Randall 4033 for a drayton tempus 7. The Randall was powering a Myson backboiler, a water heater with a built in thermostat halfway up the cylinder with 1 valve that I can see. The Randall was wired with the 1-6 link and no wire in terminal 5 I followed the...