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Hi, My electrician has just done the second fix after plastering my porch and realised that there's a switch in an adjoining room linked to the outside lights instead of the wiring in the porch. I did provide them with a diagram but it's been missed. I don't want to have them digging out the...

Sorry about the delay - I believe I chose the first option and it worked just fine. Incidentally, the previously posted link to Yale's product (which I hope would have worked as well) doesn't work - try this one instead...

Hi, I have an existing garage/outbuilding (in greenbelt and a conservation area) that I wish to extend. The extension would: 1. Be under 4m height (dual pitch roof), 2. 2.5m at the eaves, 3. Take up (far) less than 50% of the property's curtilage, 4. Be more than 2m away from any boundary...

Hi, I've submitted a planning application for a triple-bay garage to replace a two-bay garage and it's been rejected by planning because I'm in greenbelt (also in a conservation are but with no article 4 in place). As an alternative, I'm thinking of building the two-bay garage with planning...

Hi, I didn't want to hijack this thread: https://www.diynot.com/diy/threads/painting-exterior-brick-work.392211/ ...but I've got a similar issue with a bit of a difference. My patio is raised up to the DPC but has been cut away to prevent surface water ingress. The builder has now gone and...

Thanks - we're going with four bricks high from the patio side - as far as visibility, there will be coving along the top of the wall and columns with lights either side of the steps and at the corners so I hope that will define the boundary enough without any more plants. I expect we'll end up...

Hi, I have a patio which sits above my grass by about three standard bricks and I want to build a wall around the patio at around 8 bricks high so the wall from the patio side looks about 5 bricks high. Can anyone tell me what the minimum height should be to avoid a trip hazard and to meet any...

I'd say 50% of the hawthorn was dead anyway as it was completely strangled by huge amounts of ivy. Most of the large gaps are because we'd pulled (with almost no resistance) the old hawthorn that was rotten. The resulting gaps were/are just too large to layer it but I take your point on the...

Thanks - I got permission for all the conifers which havejust grown huge - the rest of the trees/shrubs have just been a matter of pruning.

Sorry about the delay with this - I was waiting for the gardener to top off the hedges before I could provide any meaningful pictures. I've attached three: 2432 is from the garden side, 2438 and 2440 are from outside. As you can see, there are large gaps which I don't think can be fixed by...

Hi, My property has a 30m+ long hawthorn hedge running alongside a road. It's in a conservation area so I'm probably expected to renovate the hedge using native species but prioritising on hawthorn (no laurel allowed). The hedge is in terrible condition as large trees and shrubs have been...

Thanks - I did say this to them but I'm arranging a service of the system with the installers and will hopefully have everything resolved at that point. For now though, at least we haven't got warm water from the cylinder entering the cold water supply but I'm a bit concerned about the potential...

Just to close this off, the engineer visited today and confirmed that there was an error in the installation: the pipework to the balanced takeoff should have been routed to the primary output (incorporating a check valve) and the pipework to the primary output should have been routed to the...

Just to revisit the diagram again - the more I look at it the more I think that it's wrong: The cold main is entering the group valve and the first thing is to regulate the pressure to match the cylinder. The first takeoff from the valve is optional and can be used as a balanced output for...

Thanks - that certainly sounds sensible but the temperature was configured by the Vaillant engineer who commissioned the system. I also picked up some advice on the Vaillant Arotherm Plus Facebook group: https://www.heatgeek.com/hot-water-temperature-scalding-and-legionella Half the problem...

Thanks - I'll do as you say regarding the pump - my DHW temperature is set to 52 degC (ASHP flow is at 45 degC) so I do rely on refreshing the water in the cylinder regularly. As for the original builder, he's lost out on a *lot* more work - that's the way I'm looking at it :)

The plant room work was implemented by the ASHP installer (all in press fit as you see) and was then reviewed by a Vaillant engineer - everything after the gate valves to the DHW, cold supply and UFH pipes was installed by the builder (the builder won't be coming back).

To be fair, I've just looked this morning as far as I could into the ceiling space and it looks like it's in copper. I remember seeing lots of plastic pipe before the plasterboard was fitted but didn't think to take any photos at the time. I can say that all of the pipework to the UFH manifold...

Sorry if I've misled you - the pipework in the plant room is all in copper. At the point where it leaves the plant room, it's then in plastic. The attached picture shows the installation before the engineer came back to complete the work.

Yes - I've had a look at the "group valve" specification and it's odd how it's been configured. Regarding the link that bypasses the group valve, the installation engineer fitted that at a later date to the original installation (about a week later) and also added the pipework for the tundish...