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Yes it seems the installers did not do it right. The valve is shut, the pump works in overrun mode but does not achieve anything, and the heat inside the boiler rises from 45C to 60C. I then open the valve manually, and immediately the boiler temperature drops, as it should had it been...

No, we do not live in the house. Before CH was installed a couple of days ago, we had about 3C and 95% humidity in the house. There were huge gaps at the "front door" (a sheet of ply loosely covering the opening). I was running a diesel heater to allow us to work in the house. CH was installed...

Ah yes, it used to display that, but it's gone now. We did have some power cuts as well though.

Worcester technical said they have no way to display fuel (gas) consumption. "Gas consumption display is determined by fan speed and would be an approximation". FFS. An approximation is better than nothing. I doubt the software does not know what "power" it is running at. So I want to know that...

On my very new system, when thermostat reaches set temperature, the CH valve closes, the boiler shuts down, and the CH pump keeps running for a few minutes more. With the valve now closed the pump is working against a shut valve. How is that meant to work? The bypass is before the pump and...

Would it be detrimental to economy (or anything else) to set the flow at say, 40C, and let it run, or set the flow at, say, 80C and again let it run ? House is at about 10C at the moment, and thermostat at 15C. If we assume that the weather stays the same in the next few days.

I have just had a new gas boiler installed and it is rather hungry. Greenstar 8000 40kW. I can control the flow temperature, and according to Worcester technical support, the boiler will attempt to reach that temperature and once reached, it will try to maintain it by modulating down. But do I...

I would like advice on how to build two bathrooms in the loft space. The rooms in the loft are built with 4x2 partition walls. The floor is 18mm plywood. In general I fit 15mm plasterboard to complete the rooms. A general problem is that the walls are too high (approx 2.8-3.0m) and they...

My house is on an incline and rain water runs into the front of the house. I am digging a small gutter/trench around the front, up against the brickwork. I am thinking will put shingle at the bottom, then a perforated 3-4 inch plastic tube I have handy, and then close it off with more shingle at...

I am trying to ensure I am not making any big mistakes for the new radiators and valves I am going to buy. Vertical radiators and they have the inputs and outputs on the sides. The feeds come out of the wall, so I need a "corner" radiator valve, just like in the photo. 1) How can we...

One cable is 1.5mm2 light feed and the other cable is 2.5mm2 ring main, for a room. If the fuse is 32A for ring mains and we have two cables then it would be 16A+16A, give or take. Maybe then well within the capabilities of the connector. Or we can place a 20A fuse on this circuit and be even safer.

Ah thanks, I see it now, it is black and I could not see well, and thought the radiator side port was different but they are both compression fittings with a nut and olive, and a "radiator tail" attachment. All I need to find now is the lockshield+ drain system, so that I can drain and remove a...

The vertical radiators have the input and output on their sides. The 15mm pipes will come out of the wall. I have identified I need a "corner" radiator valve, but on the photo it looks like it would be fitted only on the right hand side of the radiator, because if on the left it's be facing...

I was also thinking it is bad enough I inadvertently cut those cables with the angle grinder due to extreme clumsiness and stupidity, now with these connectors I may be introducing some extra resistance at that junction, so to remedy the clumsiness I should use the best connector there is...

As I am buying a new system, which make/model thermostatic radiator valves should I buy? Because I will then have to throw away the head and install the Wiser valves anyway. Sounds like a waste of money.

5. Zigbee can use mesh networking. Does this mean Wiser is lacking in this respect? I am interested because my house is large and the TRVs will not reach the hub. 6. Is the hub wired to the boiler? Or is there another box next to the boiler? Because then I could put the hub in the "middle" of...

Inside partition walls. I suppose I need to make them waterproof, it is in the loft and leaks are common in my roof. Maybe wrap them really tight inside a few latex/nitrile gloves.

3) How do the radiator valves talk to the Hub? Wifi still? 4) Does the Hub make its own wifi, or do you also need to have a wifi access point? 5) If the distances are large, do the radiator valves use each other to reach the hub, I think this is what they call "hive" ?

I looked at 2 sites today, I cannot recall which, I think one was Drayton Wiser, and I could not see anywhere how the system works, and crucially does it have internet dependency. So I have written to them, but I think an explanation of how the system works and what happens if the internet is...

The old style terminal blocks with screws are made with solid copper/brass blocks probably 1mm thickness (I do not have one here so going from memory) and maybe 10mm length for using on a 2.5mm2 cable. They appear much more manly to me than these wago ones. The wago has a very thin square...