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Thanks Crafty1289, your replies are most helpful and much appreciated. I assume that the Wylex 306 is the obvious choice of 3-way CU to replace the old 2-way CU in the garage:- e.g., http://www.tlc-direct.co.uk/Products/WY306.html Could I ask for a recommendation on the choice of CU...

Yes, I'm sorry - please excuse my ignorance. To clarify, inside the house there is a RCD connected to a 2-way consumer unit fitted with a 30A cartridge fuse which connects to a 2-way consumer unit in the garage using 4mm² SWA cable. The garage consumer unit is currently fitted with a 20A...

For reference I have a radial circuit in my detached garage fed from a 2 way FCU (20A/5A). This FCU is fed by 4mm SWA connected from a dedicated FCU and 80A 30mA RCD in the house (cable run is approx 15mtrs). Three sockets and a fluorescent lamp are installed. I would also like to have...

I haven't started block building yet :oops: . My brother-in-law was helping out but was injured playing Judo soon after the footings were done, so I'm on my own now! :cry: The wall is intended to be 100ft long by 5-6ft high. It won't be a retaining wall (12" max of soil on one side)...

I have a 1920s house and want to remove the old lath & plaster and replace it with plasterboard. Having removed the old I find that there aren't any noggins in place. Is it good practice to fit noggins prior to plasterboarding? I keep thinking that the laths would previously have...

Can anyone steer me to a website that covers the construction of a garden wall using concrete blocks? There seems a lot of info about using bricks and various bond patterns etc but not blocks. Is the mortar strength/thickness different? I am also interested in finding out about how the piers...

Thank you for your comments. I had been explicit when I told them that I had replaced the decking only. The roof falls toward the long edge of the garage which I refer to as the front since it faces the house. On that edge they have formed a drip. This was the edge where the gutter had...

Late last year I stripped our old garage roof of felt and chipboard due to water damage. I replaced the decking with OSB and then left it covered until recently when I had a roofing company refelt it and also replace the timber facia with UPVC at the same time. My query concerns the verges...

Well I'm pretty much convinced that the system has been vented ok at all rads and the HW tank. The current situation is that after leaving on HW only for around 2hrs+ the return pipe from the cylinder eventually gets warm, but not as hot as the feed pipe. I guess there must be a...

Yes, plenty of air came out of the vent until water was present. I initially unscrewed it to ensure any air was expelled at that point (the vent is a new one bought from B&Q, I hope I haven't misled you on this - its the type with the wadding that swells when in contact with water). No...

Thanks croydoncorgi. Just to make life a little more complicated, in this installation I believe the coil input to be at the bottom. Incorrect I know but it seems to have been that way for the past 25-odd years. The pipe between the valve (downstairs kitchen) and the cylinder (upstairs...

Sorry, forgot to mention that I disconnected the pipework from the HW cylinder and checked there was no blockage in the coil itself (if it helps).

We have an indirect heating system fitted with the following:- an Ideal Mexico gas boiler, a Honeywell V4044 diverter, a Grundfoss Super Selectric pump, and a Randal 103 electro-mechanical timer. The water in the cylinder doesn't heat up however the boiler will fire up from cold and the...

My dad has a conventional indirect heating system (Y-plan i think, vented, pumps thru a diverter valve, switching to HW tank/radiators). When switching on the Randal 103 timer switch the boiler & pump comes on but the boiler shuts down after about 5 mins or less. At this stage the pipe at the...