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(I am thinking of using them with a radiator based system with lots of zones, so will not have the thermal mass of the floor to even out the response.) I know that there are 3 types, 240v, 12v (or 24v) and 0-10v proportional. Firstly I have seen that at least some actuators take 3 minutes to...

I have used the normal Speedfit pipe in the past, and found it hard to uncoil it. This project needs the pipe to be passed though lots of joists etc, so flexibility is important. I am happy with both the Speedfit and the Hep2o fittings. (Speedfit seems a little cheaper and is easier to get...

I need to run 4 showers, and only have a 25mm main, therefore a bank tank and pump is needed. The Grundfos Home Booster does not seem to have the flow rate I need, but I want a low noise level as the pump is going in a kitchen. "On Paper" the DAB E.Sybox along with the E.SYTANK looks like...

I am having to replace a separating “wall” that is a single layer of T&G boarding, so as to give 30 minutes fire protection. I also need to fit a door into the wall. There is very little space as the wall separates basement stairs from a very narrow corridor. The wall is not very...

I will have a kitchen sink that will be between 10m and 16m (depending on kitchen layout) from the main pressure hot water tank. Normally the hot water would be run in 22mm pipes, branching out into 15mm pipes going to each outlet. However I wish the water to be quickly at a useful...

As I understand it. A “normal” dhw tank heats from a coil at the bottom, as cold water sinks to the bottom when 75% of the hot water has been used, there is still some hot water at the top. As the tank reheats, the remaining hot water at the top is not disturbed, so can be used while the...

I think I must be missing something, but what This is my (mis)understanding… The HSE says that the ALL the water in the tank must be heated to 60c for at least 1hr each day to protect against legionnaires disease. I have never seen a DHW where the coil goes all the way to the bottom, or...

The property is on a slope, my basement is mostly underground on 3 sides, but at the back it is just about at ground level. The land also slopes away from the property and is very sandy soil. The test pits I have dug show the sand under the edge of the floor to be damp, but very dry in the...

It seems daft that most consumer units require fly leads to be connected for RCBOs. So are there any consumer units that have 3 buses (Live, Neutral and Earth) that RCBO can plug into, alone with RCBO that allow the L,N,E to be terminated into their top?

The Isomax clips seem very good for reducing sound var ceiling while also not losing as much headroom as the normal resistance bars. However they seem to sell for double the price in the UK then the USA. Is there a reasonable alternative at a more reasonable price in the UK?

I have a Baxi Duetec boiler in a property I rent out and can’t understand what is going on with it. The tenants told me the radiators were getting hot when their children had a long shower. I called out my normal gas safe person, he cleaned out the heat exchange and it all seemed to be...

Can ebus controls be mixed between Vaillent and glow-worm boilers? Are glow-warm boilers just more basic versions of Vaillent boilers?

I need to remove the shower screen so I can refit some tiles that have failed due to water getting behind them. As I did not put up the screen I do not know how it fits together, can anyone give me some pointers on how I take it apart.

Before I waist people’s time getting quotes etc and someone give me some ideal of the sort of costs I am looking at. I am looking at a property where the stairs run from “back to front” and may wish them to run from “front the back”. The openings in the floors will not need changing. The...

Is there a device that cuts power if too much is used for a length of time? I wish to have some letting room’s setup, so tenants can use a kettle or hair dryer, but not an electric fire. Is there a reasonably priced device that will cut out when too much power is used over a length of...

Say I wished to have a vented DHW tank and run say 3 out of 5 showers in the building at the same time. Can I put a shower pump (e.g. Mira Vision Pumped Mixer Shower) on each shower without them messing each other up? If I used a single twin head pump (with high flow rating) would I get...

I am thinking about a heating/dhw system for a HMO that will have many showers so need good hot water flow rates. As the tenants may wish to have different room temperatures, at times the heat load could be very low. As I understand it, the ACV Heatmaster condenses very well while producing...

I am looking at a property I may wish to buy, to use as a HMO. As it is 3 stories fire proofing becomes a very important issue. Due to the odd layout, there is a lot of space under the stairs to put a boiler, hot water tank and an airing cupboard, as I understand it this is allowed provided...

I just read on another thread “'Cooker switches' are not actually mandatory”, I had always thought they were. However for some reason if you have a gas hob you don’t seem to have to be able to turn off the gas to the hob from anywhere apart from the gas meter. What about switches for...

How do I go about finding someone that can do the “third party certification” as defined in the new version of Part P? E.g. what body and qualification should the electrician have so I can use them instead of having to use my local council building control?