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How will I know whether there is enough pressure for a gas hob for my new kitchen before I order it?

Got it now at BES

Hi, Is there somewhere I can buy a 9lt or thereabouts concealed cistern? They are all 6lt at the shops. Thanks!

Hi, I jad a boiler fitted a few weeks ago. The installer said that gas pressure is marginal. I have another gas pipe outlet quite far from boiler I was hoping to use for a combi and/or maybe a gas hob. This is currently capped off. Can another gas fitter measure gas pressure at those remote...

I am not sure how it is wired, it is an S system I was told. Will have to take a closer look. Two questions are, should the pump continue to circulate when the thermostat is off? I think yes, pump should stay on for as long as CH is on. Also, should pump's overrun be routed to the CH as means of...

Unfortunately, this is the majority of tradesmen I have met, regardless the discipline. Yes, but even with the bypass AFTER the pump, I still do not like it, if the intention is to remove latent heat from the boiler, it is just too short a circuit, why can't the valve remain open for the...

It is a regular, not a system boiler.

Yes two 2port valves.

Would I be right in assuming that the slower the speed, the cooler the return will be, as hot water spends longer inside the radiators?

As we are heating up a house we eventually reach a required temperature on the thermostat and the boiler stops. At that moment we want the pump to remain on so as to distribute latent heat from hot rooms into colder rooms. But if someone has left a window open, then we do not want to...

The pump is the UPS2 25-80 - it has six speed settings in two sets of three. I am not sure how to set the pump speed for best economy of gas. Flow is set to 45C for now. I know that we want a low temp return to allow for most condensing. I have some ideas but they are conflicting. Are there...

Here is a sketch I have made. Also, even if the bypass is after the pump and before the shut off valve(s), the loop is tiny - why can't the valve remain open for the duration of the overrun?

Yes it seems the installers did not do it right. The valve is shut, the pump works in overrun mode but does not achieve anything, and the heat inside the boiler rises from 45C to 60C. I then open the valve manually, and immediately the boiler temperature drops, as it should had it been...

No, we do not live in the house. Before CH was installed a couple of days ago, we had about 3C and 95% humidity in the house. There were huge gaps at the "front door" (a sheet of ply loosely covering the opening). I was running a diesel heater to allow us to work in the house. CH was installed...

Ah yes, it used to display that, but it's gone now. We did have some power cuts as well though.

Worcester technical said they have no way to display fuel (gas) consumption. "Gas consumption display is determined by fan speed and would be an approximation". FFS. An approximation is better than nothing. I doubt the software does not know what "power" it is running at. So I want to know that...

On my very new system, when thermostat reaches set temperature, the CH valve closes, the boiler shuts down, and the CH pump keeps running for a few minutes more. With the valve now closed the pump is working against a shut valve. How is that meant to work? The bypass is before the pump and...

Would it be detrimental to economy (or anything else) to set the flow at say, 40C, and let it run, or set the flow at, say, 80C and again let it run ? House is at about 10C at the moment, and thermostat at 15C. If we assume that the weather stays the same in the next few days.

I have just had a new gas boiler installed and it is rather hungry. Greenstar 8000 40kW. I can control the flow temperature, and according to Worcester technical support, the boiler will attempt to reach that temperature and once reached, it will try to maintain it by modulating down. But do I...

I would like advice on how to build two bathrooms in the loft space. The rooms in the loft are built with 4x2 partition walls. The floor is 18mm plywood. In general I fit 15mm plasterboard to complete the rooms. A general problem is that the walls are too high (approx 2.8-3.0m) and they...