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I'm unsure as it's under a tiled and oak floor that I don't want to pull up to investigate. All I know is the house is freezing and doesn't retain heat and I know from looking under the stairs and lifting some floorboards, there is just a hole under the house. I can't be sure whether they...

Hi all, I've recently come to the conclusion, that my inherited wet underfloor heating is more than likely sat on cement boards, then floorboards which face the outdoor open suspended floor cavity. I still need to find a section to investigate and confirm, but I have a hunch that there is no...

Still looking into insulating my suspended floor. Just found this - Q-Bot looks great and might be easier with limited access. I'll start another thread to see if anyone has used them.

That would be a no then. We use the log burner for between 4-6 hours an evening and longer at the weekend but no, I don't have a free supply sadly. No way I'd be able to house a 500 litre store, I was thinking I could at a push fit in the 210 litre.... Thanks for the links, I will take a look.

Hi all, hoping somebody can help. I had Homeserve out today, as I've just started a boiler and central heating contract with them. They sent their engineer to assess the boiler but declined to insure my Vaillant Ecotech plus 837, because the condensate pipe had previously leaked and showed rust...

Fair enough, I'm happy to investigate. What would you suggest I need to do then? I've never taken apart facia or soffits, so don't know how they should be.

When I was last up the ladder, I checked and it was sealed with some form of sealant. I wasn't checking at the time if it was connected to the soffits, but the image shows that it does screw to the side of the house which joins the facia boards.

To be honest I'm not sure. I guess it's worth looking up there again one day and taking it apart. I still have the Storm Dry, so if anything, I can coat the brick and reseal the facia. Probably not the best weather now though.

I wonder if retrofitting some trickle vents in those windows would do the same thing?

Drilling holes through the wall sounds a bit scary! How many would I need? One at the top and one at the bottom? Do we know why this is happening? Is it to do with cold bridging, where the solid wall is meeting the cavity wall and the temperature difference? Have to admit to being a little...

A bit like this.

If I had my away temp at 14º, I think my boiler would be running most of the time. I can't justify the costs at the moment. I don't know much about the overlay boards, I didn't realise they are or can insulated.

I thought those cement boards might be in use, but I can't prove anything until I get some access. This might be some time as I don't fancy wrecking the wooden floor. I may have another nose under the stairs when I get the time and see if I can figure out what's going on under the floor. I'm...

Thanks for the comments so far. So, perhaps I am using it wrong. I'd typically set it to switch on about 04:30 in the morning, so it's warm when we get up and then switch off about 07:30 if we're both off out to work, so I'd set the away temp to be very low. Then set it to come on at about...

I moved into a house that has downstairs wet UFH and is split into 4 zones. My wife frequently works from home and ideally, it would be cheaper to heat the room she's working from. I've tested this and just set the room stat in the living room to call for heat. I've noticed that when the single...

I did wonder as our water bill is a touch more than other people I know, but I did the test back in the summer with the meter and there didn't appear to be an issue. That being said, perhaps it's smaller enough not to register on the meter.

Thanks for the replies so far. I've not made it home from work yet today, so I haven't had a chance to test. My test last night looked good though. Every time that stat called for heat, the zone lit up and every time I switch it off, it went off on the controller. I think only time and testing...

Oh, I see. Yes, I've done a fair amount of research in this area and I do none of the above nowadays (apart from breath), yet I still have high humidity. I could probably do with opening the windows more rather than first thing in the morning for 10 mins. I have fairly decent extraction...

I've just reset the room stat and re-paired with the control unit. I wonder if it had come up-paired and that was causing it to do weird things.

Hi all, hoping somebody can help. I have wet UFH with Heatmiser slimline RF thermostats (4 zones) connecting directly to the UH1-W control unit. The UH1-W then connects to the boiler via Centaurplus c27 time switch, which I set to auto, as the on/off timing for the UFH is controlled by the 4...