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Thanks for all your responses

Hi All Hoping for a bit of plumbing help. Our tundish is always dripping. It always (and I mean always) drips, 24/7 but since the heating has been back on its more like a flow of water as pictured. I assume its an overflow from the hot water tank but I dont understand why it would always be...

We kept the Hive in the end as we had not had a good experience with the Nest overall, with 2 part replacements in less than 12 months being needed. But yes you are likely correct, this time I don't think the Nest was actually at fault. The calls for heat and hot water were going through ok...

That's the plan, just need to wait until payday before I can get a plumber round to do it. Changing the valve is a little beyond my skill set. I wouldn't know how to get the water out the system to do the work

This is what it looked like under the head. I've cleaned it right up but every time I twist the valve the tiniest bit of liquid appears around the valve

Yeah it's a Danfoss HPA2 and the actuator has gone.

Just confirmed this, the central heating valve is busted and needs replacing. Thanks for again for getting back to me.

Chris I taped them off and left them in the wall

Thanks Ian. I'll give my plumber a call then. Thanks for the quick response.

Hi Everyone I am hopeful someone smart on here can help me out.... I had a Nest 3rd gen learning thermostat connected to my Ideal Heat 12 System Boiler. It was flakey the entire time we had it. Google replaced the heat link once and the thermostat once in the first 12 months. This year it...