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Please can someone explain what sort of pipe runs a plumber would have made in this situation in a friend's house as it doesn't appear that it should work. A new system boiler was installed downstairs with internal pump, replacing an old heat only boiler that had a header tank in the loft. The...

I need to fix a couple of 3.6m long 150 x 47 mm timber horizontally along an outside wall of a house using resin anchors. I've used these anchors before to hang a porch and other things. Every time I drilled a 12mm hole through the wood to touch the wall in order to mark the spot for the 12mm...

There is a narrow gap between my house and some old, low outbuildings (about 2200mm to the eaves with a flat roof sloping away from the house. At the back of the house there is a 3m tall retaining wall. (see diagram) I’d like to build a covered way down the sideway so that I can walk to the...

Yes, I'm aware that the hive 'replaces' the functions of my existing HW and CH programmer in that the mobile app can have schedules plus on demand etc. I can have the heating off all the time I am on holiday and use the app to turn it on when I am 2 hrs away from getting back. Very handy...

I'm planning to run some 20mm PVC conduit along an external wall to supply power to an outbuilding. I appreciate that when run externally the various conduit fittings should be glued on to prevent water getting inside the conduit (this is in the peak district so there could be a lot of water...

I understand what boiler interlock is and how it prevents dry cycling but please can sombody explain to me HOW boiler interlock works when used in a system where every radiator has a TRV and one location has a room stat. (I've been told to fit a room stat as well as having a TRV on all rads to...