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    Central Heating Modifications – Set up . Commissioning

    Evening. Father in law had an extension, this involved a extended single storey rear ext, approx. 4M x 4M heated by UFH. A new boiler (Vaillant Ecotect Pure 825. No real idea why he accepted a combi, when he has a tank and solar which surpluses to hot water tank immersion, but moving on...
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    HDMI Modulator and distribution

    Hi. At the inlaws house. I set up a newly purchased Techmate HDMI modulator with 4k pass through. I also ran coax feeds using webro wf100 to 2 other rooms. Previously the aerial, a Fracarro Periodic Log fed one point only. I introduces a labgear LDL204 for this purpose as one run was nearly...
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    Galaxy G2 update or add sim module

    Good evening. Have a ADT branded Galaxy G2 alarm which is paid for. Still pay for their monitoring monthly service. As a part of full fibre broadband install, we are losing the PSTN copper line the alarm communicates with ADT centre on. Called ADT, they said the only option is to upgrade to...
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    Using dHW on ASHP pre-plumbed tank with external plate heat exchanger

    Anyone have any experience of such set ups? I have some good friends who have such a set up but a very strange anomaly exists. The tank is 150l and the water is lifted to 50c by the ashp. (house is only usually 2 people). blending to 38c gives a theoretical no losses duration of about 19...
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    New PVC windows, water leaking into reveals

    Hi. I'd really appreciate some advice on where to focus to fix the problem. I think the photo's speak for themselves I have put some text in 2 photos to explain what work was done in altering apertures (before rennovation work, the smaller window aperture was wider and the larger narrower)...
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    Basin waste and trap replacement

    I want to replace the waste and trap on this Sphynx basin. However the bottle trap arrangement wasn't what I was expecting to find. The bottle trap on there has no union nut to screw onto a conventional waste thread. It looks integrated with waste? The brand on the bottle trap says viega...
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    Smart thermostar: 2 x Zones and HW and Opentherm.

    Hello and good evening. I’m trying to help out a friend, part way through some house extension work. Their CH system has been altered from a y plan with a unvented cylinder and radiators to an s plan with 3 no. zone valves 1. Rads, 2. CH, 3. HW Cylinder and is operational on the old timer...
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    Light switch for bathroom causes 1 light on another dimmer switch to flicker

    A little odd this. All lights are on the downstairs cct. There are 2 x leds in the bathroom and a fan. On a 2 gang switch. The other gang controls a single led outside the bathroom. In the kitchen / diner. There is a two gang hamilton dimmer. 1 gang controls 8 x 1eds. 2nd gang 2 pendant...
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    Condensate trap dry

    Morning all. Appreciate advice on this. We had an intergas Eco RF installed in Sep 2018, it is not yet due for an annual service. When it was installed, I'm fairly sure I recall the clear condensate trap under the unit was filled with water and clean. However, after 4 month's use. It is dry...
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    Replace HDMI Male Plug or alternatives

    Briefly, in wall cable run with damaged end plug. I am pretty handing with fitting connectors, done RJ45 before, also quite handy with a soldering iron but there seems to be very few male HDMI plugs. Some on Amazon have screw down terminations but come from china so 3 weeks wait.... Another...
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    IR Receivers for Amplifiers, other Audio Components, via 3.5mm plugs

    I'm having a bit of brain fade here. A long, long time ago I used to set up some remote switching using full xantech kits, receiver, emitters, power module etc. However, my needs are not that extensive. All I really want is to control an old Rotel amplifier volume which is inside a cabinet (it...
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    Distribute Now TV in HD to 2+ remote TVs

    I currently use the sky + HD rf out to distribute to about 3 TVs in total. Sky costs have gone up so much. I am considering dropping it, and replacing with Now TV which is far more pay as you use orientated. Anyway, one issue, is that because the Sky+HD box had an RF output with a modulated...
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    Possible land drain in corner of trench fill foundation pit

    What is the best approach for something like this? There is no water running in it presently and it appears dry. It is dry weather here today though. It is cutting diagonally across our rear garden, I pushed a rod up stream and got to 10M which is just over the neighbours rear garden boundary...
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    Wall cavity arrangement under Large Aperture Sliding Door Track

    My designs, as critiqued on here regarding flat roof / false pitch design, are light on detail. In the design it is shown that cavity closers used for windows and doors including at the base of the large sliding doors. Approx 4.2M aperture. The builder who has just started, said often that...
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    U values, Building reg requirements vs Practical in use performance

    I asked a similar question over in the plumbing forum but no takers on answering this aspect. I'm looking at using wet UFH in the extended area of our kitchen / family room. I am concerned about UFH output vs heat loss. There is a lot of glass, plus there is an existing area of the old...
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    Maximum Wet UFH Output

    Is there a way to reliably calculate the maximum output possible out of a wet underfloor heating system? Can it take into account a maximum floor temp of 27C? It would be on a gas boiler, so flow temp can be set as required. This is for an extension, the net floor area available for UFH piping...
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    False Pitch Roof - Insulation Approaches

    Evening All, I have an extension to be built with a warm flat roof, likely format, 18mm deck, VCL, 120mm Roof Board / PIR type insulation like Kingspan TR27 and a built up high performance felt membrane, probably 3 layer. There is also a false pitch where things look a bit more tricky to try...
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    Using wet UFH on existing Solid Floor Slab

    We have an extension soon starting. The new built on single storey extension area to the rear of our property is about 20m2 internally. I was keen putting UFH in there, there new Floor Slab will be insulated with 100mm Celotex done under building regs etc. The plumber / heat engineer who...
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    Aluminium Sliding Doors, Flush threshold internally

    We are soon to do a rear single storey extension, across rear of property. Looking at doors we had designed in BiFold type doors but now thinking three panel slider maybe better. Anyway the same issue is likely to exist with both. The door cross section in the designers plans shows a big...
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    Boiler adjusting max useful heat output

    Now I've had a fault with the boiler fixed with a new control board. I've spent a lot of time looking at the thing and timing the operation burner etc. when it was playing up. When cold in the morning it takes about 16 min to reach flow temp initially. Then, when up to flow temps yesterday, in...
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