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I need to install a shower/bath mixer onto a wall. As per photo below, I am planning on using a 90° wall plate elbow 15mm x ½, which will support the shower/bath mixer. I am concerned about the weight of the shower/bath mixer, can those wall plates (fixed by 3 screws) handle a decent amount...

I need to replace a PVC pipe going into a cast iron pipe, could anyone please let me know the type of mastic / sealant being used to connect both pipes? Thanks!

I have an Intergas Rapid 32 boiler which was installed less than 10 months ago, all new pipework installed at the same time. I have 2 zones, both controlled by Google Nest thermostats. The CH worked fine during the last winter, I stopped using it around May. However I just started re-using it...

In a few years' time I am thinking about upgrading an old back boiler to an electric boiler (due to flue restriction as this is the listed building, therefore I won't be able to use gas anymore). I would like to know the size of the cable I require for a 12KW boiler (Gold Potterton -...

Hi all, I am going to replace the lead pipe coming from the street to my home (Scottish Water will be doing the connection). I have most of the details from Scottish Water though I have a few questions regarding MDPE as I am mainly familiar with 22mm and 15mm piping. My questions are: 1) I...

The manual for the EDN Velux flashing is showing the following but it is mainly for a batten installation used in England. In Scotland most slated roof make use of sarking. My question is regarding the bottom of the Velux, according to the diagram I need to leave a 140mm gap for the flashing...

Hi all, I need to install the following bath tap to the wall: Below is a photo of the 1/2 BSP connector at the back of the tap: I am intending on cutting a channel in the tiles for each of the 15mm water pipe (using my angle grinder and a diamond blade) and then connect the above...

I created an central heating installation with 2 zones as shown in the diagram below. Zone 1 is for the ground floor while zone 2 is for the first floor. The return pipe from zone 2 merges with the one from zone 1 through a tee when reaching the ground floor. The issue I have is when I...

Hi, I would like to connect 2 Google Nest Thermostats for 2 zones to an Intergas Rapid 32kw (used as a combi boiler). Below is the wiring for the Nest as provided by Google: Page 63 of the Intergas Rapid 32kw manual shows that the Live and Neutral are on pins 2 and 4 of the X2 connector...

Hi all, I am installing all the pipes for a new CH system, the lowest point is 1.5m under the floorboards which I have access to. For convenience I would like to use a 22mm lever ball valve as my draining valve (I am planning to purchase a full bore one) which I will connect to a 40mm waste...

Hi all, I am about to get a new Intergas Rapid 32 Plus boiler installed. I need 2 zones and my original plan was simply to have 2 zone valves , controlled by my 2 Google Nest Thermostats as On/Off thermostats. However I came across something interesting page 26 of the boiler manual (refer to...

I have been trying several BTU calculators but came across inconsistent results using the same criteria. Could you please let me know which BTU calculator you find the most reliable?

I need to make a hole for a 60/100 flue for an Intergas Rapid 32 boiler which is soon being commissioned. The flue will be going through a plasterboard, PIR insulation board and cladding. What is the contentious regarding the diameter of the hole for 60/100 flue going through the above...

Hi, I need to replace the power cable of a Bosh Serie 4 induction hob (model PUE611BF1B). The flex cable that came with the unit has a standard UK plug (the unit can deliver up to 3.7Kw). I have some spare 2.5mm2 cable with solid core I could use which I know will be fine, however I would...

Does have anyone have experience of using K08 Spanish slates? Are those comparable to Cupa H3? Ref: http://www.k08.es/ Thanks!

Hi all, As per diagram below (sorry it was quickly drawn), I would like to install a boiler in a lean-to. The gutters are shown in red, how far does the flue (shown as a thick arrow pointing up) need to be from the gutter (the top gutter in red)?

I recently had a vented indirect cylinder (fed by a tank in the loft) replaced by a unvented indirect one (fed by the mains). The plumber left me with a leaking pipe causing the pressure to drop, not a great start. As he never came back to fix the issue, I had to drain the system to replace the...

I need to determine the best location to install a combi boiler. Am I right saying that a vertical flue must be at least 30cm away from the boundary? I could not find the details from http://www.a1gassafe.co.uk/pdf/TECHNICAL_BULLETIN_231.pdf but...

I need to get my electrics prepared before a new kitchen is being installed. Regarding the integrated appliances, I was going to get some sockets installed on the wall just behind the oven and dishwasher. However I read it is more convenient to install the sockets inside one of the adjacent...

I need to choose a new breathable membrane for my roof which is getting re-slated, any advice on efficient membranes? Permavent Max Membrane is on my list, what do you use?