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It is fitted as per the instructions. You can hear the flaps being lifted as the wind blasts past the outlet, and then falling back into place when the gust stops again. James

We get a terrible draught through our kitchen extractor which vents outdoors. We have tried various back-draught flaps in the duct and hoods on the outside, but to no real avail. In all cases, the wind blowing past the outlet on the wall seems to pull the flaps open and let in a draught at the...

Thank you for the suggestion. Stuart Turner, the manufacturer, have told me where to buy a replacement vessel.

Thank you for the suggestion. Sadly, even with a new valve, the vessel does not maintain pressure for more than a day or so when pumped up. Water doesn't come out from the valve hole when the the insert is removed, so I assume that the actual vessel is leaking, rather than the membrane.

There are many threads on this topic already, I know, but I am trying to get it clear in my mind before I waste time and money. We have 22mm (3/4"?) wooden floorboards in the bathroom which we plan to tile with 600mm by 600mm tiles. The boards are sound, but have the usual irregularities...

Thank you for the replies which have given me a clearer understanding of how the pump works. James.

Thank you. I was going to use ply, or hardboard, but as someone gave me a roll of the foam, I was wondering whether it could be used.

It is odd. I noticed that there was a problem earlier this morning when the pump did not start properly for a shower and then, later, started to turn on and off randomly. Even when there was no pressure at all because I had taken the valve out to replace it, the pump only started when I turned...

I am a little puzzled. My understanding of a negative head shower pump is that the pressure vessel detects a change in pressure when the shower tap is turned on. This pressure drop then switches on the pump. The pressure vessel on our Stuart Turner pump is faulty and will not hold pressure at...

We are tiling our bathroom floor which has 70 year old floorboards exhibiting the usual wear, tear and irregularities. There is also a slight bow to the floor, albeit only noticeable with a long, straight edge. Replacing them with chipboard is not really viable because two of the original walls...

That is a good point and Salamander did mention that the CT Force 30 is quieter, but that it is also larger. The space on the airing cupboard floor is very limited and I am not sure yet whether the quieter one will fit. I shall need to do some careful measuring.

Thank you for the explanation and for the suggestion. On balance, I shall be done with it and buy a new negative head pump. I had an informative call with Salamander and it seems that the CT80bu will be a good solution, especially with the restricted space that I have. James.

That is a shame. Thank you. It is a little small. It coped with the old power shower, supplying three consecutive showers. However, it is in need of replacement and I plan to fit a larger tank. This is the sort of thing that I envisaged, but I can just imagine my wife's response to the idea. I...

I plan to fit a shower pump as we have low water pressure. The flow is about 0.5 litres a minute through the shower head, so is unlikely to be enough to start a positive head pump. I have read in another thread on here that you can buy add ons for pos.head shower pumps to be able to convert...

No. I used a screwdriver as a stethoscope to listen and you can hear gurgling when the taps are turned on and off.

The joints. The front of some of these houses is made from rendered wire mesh with just a plasterboard inner wall with no insulation at all, so odd is pretty common in the property.

It is steel. The bare metal is not copper colour. The joints nearby are all hefty screw threaded unions and the pipe is rusty is places

It is definitely metal, but it is not galvanised. It is black.

I used the chat tool on STS's website: they advised to use 30mm screws. I used 70mm screws to secure the stud work to the wall and 60mm screws with hammer-in plugs to secure the board to the stud work and into the wall.

I should have added that the pipe is under the floorboards in the bathroom and is the rising main coming up from the stop cock in the kitchen.