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Hi, grohe make a cistern you can use. They come with quite a long tube, (for the pneumatic pressure), but even that you can replace if it is not long enough. You will also have to fit a pipe from the cistern to the pan, but you can use 1 1/2" pipe with universal fittings. The last one...

I have never used John Guest, only continental and uponor, (wirsbo and unipipe), and I am not impressed if the only get 50w per sqm with 200mm centers. the output is of course based on the thickness of the screed, flowrate, temprature and floor coverings. For example to reach 20 C in a room...

Hi, That system works fine, you can have 2 loops on it, which is what you need. You can also buy a similiar product from continental and uponor, (the ones I have used). I would recommend the continental one, since they offer much better support if you need it. If you have have concrete...

Hi, The best option is the insulation and concrete. if your kitchen is less then 20 sqm, a single loop should be enough. most ufh manufacturers have small area packs, but most of them are designed to be added on to an existing radiator circuit, which means that the rads will have to be...

have you checked the pressure is set correctly? It should be at least 0.5 bars below the incoming main, but don't forget that the main will lose 0.1 bar for each meter it has to go upwards, so don't forget to take that into account. if you don't know where to look, there is a small (about...

there are no quick fixes for this one. the 2 options mountainwalker mentioned are the only real options you have. I would try first option 2. If you go for option 1, it might be worth looking at swapping the flow and return of the loop, depending on where the heat loss is greatest. if...

it looks like you have a faulty installation. 40 sqm for one loop means that you have a minimum apr 200m loop, the maximum length you should have (for a 15/16mm pipe) is 100 m. 75 degree flow into the floor far too high. do you have a mixing valve by the manifold? a circulation pump...

Hi Harj, I have a few questions. a) in zone 2, it sounds like you only have 1 loop. is that correct? b) temprature gauge is 75 degrees. where is it? flow from boiler or mixed water? c) is the ufh on a seperate time with a separate zone valve? d) are the loops balanced...

Hi, There are a few companies who do single zone wet underfloor heating. You can plumb it in to an existing rad circuit, but that would be on the same time as the central heating. Only way to get away from that is to have it on as a separate zone, i.e. with it's on 2 port zone valve. I...

Hi Doobs, To get any air out of the ufh system you should close the two gate valves (red handle), connect a pipe from your main (outside tap) to the 3/4" connection on the left side of the lower manifold. On the left side of higher manifold, connect a garden hose (again a 3/4" connection)...

Hi I would find it very surprising if all your showers are blocked and none of your other outlets. From your explanation, there are two things I would look at first. 1. The balanced supply. It basically means that you have the same amount of water going to the cold water...

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It looks good. It's nice when you have so much open space to play around with. It looks like he has 2 heating zones, apart from the ufh and hot water, so I can only assume it is a rather large house. So the only thing I would differently is to have a low loss header.

I have installed quite a few Kinetico ones, but always a HF one. As I understand it, it is the same unit but the hoses are different. To be sure I would contact Kinetico directly, they also have a search engine on their website for the nearest dealer near for the parts...

Hi Debzo, First thing I'm not getting in your system is the "dump it" radiator? why? The pump will always pump the easiest way around and if you have a short cut for the pump it will use and it will affect the ufh. Second thing: you have a zone valve to the ground floor manifold and...

Hi, I have been contacted by this company, "dataserve planning leads", who wishes to sell me their services. I can see that they have been around for about 20 years, but does anyone have any experience with them? Lolli

Hi acrobat, Have a look at this one, http://www.heatraesadia.com/hs/heatraes.nsf products - electric heating - amptek They go up to 12KW which should be enough. I have used them a few times and they work well with the ufh. njk

Greetings all. I have a bit of a problem with my local council. I have a terraced house on 4 floors that I am converting into 2 flats. The local building inspector has demanded that I have to change all the 21 sash windows (original victorian in good condition) to new double glazed ones...

Hi Donrod, It depends on the system. If the pipes are in screed/concrete it will take longer to heat up and I would only have the setback 3 degrees lower. If the system has a floating floor with heat emission plates the response time is much quicker and 5 degrees is fine. Based on...