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Hi, Not sure if this is a pluming or a building question really, but guessing closer to plumbing. I will be digging up the patio area as part of the reconstruction of my house, and I will have the opportunity to lay some rainwater drains to remove the current situation of the rainwater running...

Hi, I'm currently renovating an old house in the Czech Republic, planning to install underfloor heating. The old floors have been dug up down to the soil, and there has been a new damp proof course put in the walls, ready to be joined up to a damp proof membrane in the floor. I'm trying to...

Hi, Could someone please tell me what the maximum current carrying capacity is of 2.5mm singles (not T&E) in plastic fexible conduit, plastered in a wall? Thanks.

Could I draw the attention of all you learned people to I post I made in the Electrics outside of UK section? //www.diynot.com/forums/electrics-abroad/what-earthing-system-do-i-have.295279/ It seems that that section does not get as many views as this section, and I have had no...

Hi, I live in the Czech Republic and I have an old consumer unit that needs updating, and on inspection, it has an unusual earthing system (possibly not unusual for the Czech Republic). Here is a basic diagram: It's a 3-phase system with a earth wire heading towards the ground ( I am...

I am planning to fit zone valves to my CH system to separate the upstairs and downstairs radiators. Whats the best way (if any) to insert a valve into an existing section of pipework where niether side of where I make the cut into the pipe can be moved up or down? Is seems that with a...

Hi, I have recently emigrated to the Czech Republic, into a house that has a relatively old boiler with sealed CH and an 100 litre unvented cylinder for the DHW. The system is great as there is plenty of hot water at a good pressure. As the system is old (1998), and my water comes from a...

Hi there, I want to fit zone valves to my central heating system to separate the upstairs and downstairs of my house, each valve controlled by a seperate timer/thermostat. In my 'boiler room' the plumbing is fairly simple, with the flow and return going upstairs teed off near the boiler...

Hi, I have a problem with my combi boiler switching the gas on and off during hot water flow, leading to fluctuation in the hot water temp, very frustrating whilst showering! This did not used to happen. Also there is a loud squeal just before the gas turns off. At the moment the central heating...

I have a problem where the hot water does not get hot when you run a bath or open the hot tap on the kitchen sink. I have a combi boiler. The hot water is fine for a shower but it seems like the boiler cant cope with the demand of a large amount of water. Please help! Thanks