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Ok so I've replaced the actuator ....and... I still had the problem. Looks like it wasn't that one causing the heating to remain on. Although it did need replacing due to the mechanism. I tried the other hot water actuator and it appears that there is a current coming continualy down the...

Yes I did. I've just reviewed the wiring. All looks good however I've just removed the actuator and all works as expected with it removed. So I may have crimped a wire when fitting. Strange how it has only surfaced now though. However I'm now having a problem with the mechanism. The cog and...

Hi all. I recently had a new boiler (glowworm energy 30c) fitted along with a nest thermostat. Everything seemed to work fine. I had a small incident early on whereby the CH stopped working. After a bit of investigation it turned out to be the motor had stopped working within the actuator on...

I recently had the above system boiler fitted along with a nest thermostat. I've since had a couple of issues with valves and microswitches. One outstanding question I have is that when there is a call for heating either for the central heating or to warm the water in my tank the radiator...

Hi all. We recently moved house and have found that the porch that is closed off with a storm doors and front door is creating damp inside. It's been treated with damp proof paint etc and all looked good but it's started to reoccur with a small amount of mould. We've since had new doors and...

Ok. So I've replaced the part. Wired it up before fitting and it worked correctly when the thermostat called heat the motor turned and hit the micro switch which turned the boiler on..but... I have an issue fitting it over the valve. It turns freely but when I fit the motor it appears that it...

Ok, got the part. It is a white wire but fortunately they provide a label in the box. Wish me luck!

Maybe what I see as grey is actually black and the white is the grey? That would explain it. Hopefully. I'll see how I go when it arrives. Thanks for all the advice so far.

Will do. This is the item in particular. https://rover.ebay.com/rover/0/0/0?mpre=https%3A%2F%2Fwww.ebay.co.uk%2Fulk%2Fitm%2F262810892635 It has the same code v4043h as the one I'm replacing, so fingers crossed.

Thanks. I gave it a go but it blew the fuse. Not sure what that indicates. No reading on the meter. I've ordered a new part anyway so hopefully when it arrives it solves my problem. The one I ordered has 5 wires but one wire is a different colour. It appears to be white instead of black. I...

Ok so I've taken it off but I'm not entirely sure how to test if power is being received. Could someone provide some tips?

I don't but I know someone who does. I'll check with it in the morning. If there is 240v and it's doing nothing what is this likely to prove? And likewise, if there isn't 240v, what would that point to?

CV There is resistance to the lever. It just doesn't seem to do anything when there is a request for heat. Is there something I could be missing? It worked previously all fine. Nothing has changed. Wiring looks good. No slipped wires. I may remove the old one tonight to have a closer...

I'll check that out. Are they easy to remove? I take it the system shouldn't need draining while I replace just the actuator? If I then find the valve won't turn, then that's a different story? In fact I know I can open it using the manual lever so the valve should be good. Just hopefully the...

Ah ok. So easy enough to undo and replace for something like this - https://www.screwfix.com/p/honeywell-40003916-001-2-port-v4043h-replacement-powerhead-22mm-22mm-compression/326fv

Thanks again for the help. I was referring to the manual lever being stiff to move to open it manually (which I've done so it is now always open, but only to let the water travel around the system when requesting hot water). It sounds like maybe the motor is ok but the microswitch has failed...

It's for heating. From what I gather the Drayton valve is for hot water only and the Honeywell is for Central heating only. Is that normal? I moved in to the property in September and this is the first time I've had any experience of this type of system so I'm still trying to get to grips...

Thanks for the reply. Does it sound to you like this valve could be my problem? It's a little difficult to get to as it's at the back of the cupboard partially behind the water tank.

Hi all, I've recently had a glowworm 30r energy system boiler installed along with a Nest thermostat. All was good for approx 3 weeks up until last night. We noticed that the heating wasn't coming on despite the thermostat calling for heat. I've tried resetting the thermostat and the boiler but...