Mid position actuator newly installed issue

[Hlruk1]

Hi, I had a Drayton ma1 mid position actuator recently installed as central heating had stopped working. Now my heating and hot water will not come on at the same time (with timed settings) and I have been advised that my thermostat is not working which is causing the problem (from the emergency plumber that had come out). I’m slightly confused as surely if I manually turn my central heating on and the hot water is working then the ma1 should move to the mid position which it does not.. any advice would be greatly appreciated.

 

[Murdoch]

Thanks for your help it was an emergency plumber through a company and he did come back out and that is what they advised.. I will call them again and say I am not happy and want a second opinion from another plumber at their company

What did their invoice say and how did you pay them?

 

[John.g]

What about that CLICK??, is it clicking or not?.

 

[Ric2013]

To be short, if you can obtain water without heating and you can also obtain heating without water, but not the both together, then it would be really interesting to know how this can possibly be a thermostat fault. To be frank, the company could prove the fault is in the thermostat within 10 minutes if they know even basic electrics.

Please check the new valve says "mid position" and not "diverter" on it. A diverter valve will not stop in the middle and will give you heat OR hot water but not both at the same time, usually giving priority to hot water: have they fitted the wrong type?

Plus, as other have asked, can you get the room thermostat to click on and off? Without knowing that answer, it really isn't worth us speculating further.

 

[Aquarius]

Please check the new valve says "mid position" and not "diverter" on it. A diverter valve will not stop in the middle and will give you heat OR hot water but not both at the same time, usually giving priority to hot water: have they fitted the wrong type?

This is a goldmine point. Op has said it’s a MA1, that said it could be a ZA1 which is the diverter

 

[John.g]

And should (even though wrong) work if CH only selected?? not sure if this was stated above.

 

[Ric2013]

This is a goldmine point. Op has said it’s a MA1, that said it could be a ZA1 which is the diverter

I'm wondering whether the OP has looked at the old valve which was presumably replaced, or has looked at the box, or whether the OP will confirm that that is what is written on the new valve.