Bobnjudi

We have relatively low water pressure. It was measured recently by a local plumber at a nearby outside tap as being 2 bar static pressure delivering a flow of 14 litres per minute. We live next door, and know from experience that the water pressure is variable. Hence planning on a vented gravity system......

Our MBC passive new build has no conventional heating system. We are now embarking on plumbing. We want to make the right choices for a vented copper DHW cylinder needed for up to 4 - 6 people. The hot water will be needed for 2 gravity-fed mixer / pumped showers, 3 bathroom basins, a kitchen sink and a utiIity sink. We think we need 3 immersion- type connections on the cylinder: The energy from the solar PV will preferentially divert electricity into an 'immersun' type element (probably in the bottom of the cylinder?). The main energy source - when the sun isn't shining - is likely to be a conventional off-peak tariff immersion heater (again near the bottom of the cylinder?) And we think we ought to have a back up immersion for occasional use only, positioned near to the top of the cylinder. The two power showers will need to be fed via (2 no. ? twin) impeller pumps from the cylinder - probably (?) with 2 separate connecting points off or close to the top of the cylinder with some means of ensuring no risk of air bubbles into the pump in-feeds. We think we're probably looking at a cylinder in the size range of 200 - 300 litres. Having looked at a number of topics on the forum, we can’t find suggestions that address our specific queries, hence this post. We'd be very grateful for any advice and guidance on selecting the right type & size of cylinder & configuration of connections.

We have just completed the demolition of a 1983 timber frame bungalow. We (actually mainly me!) removed the nails as we went along. Time consuming - yes, but satisfying and worthwhile as now burning on our wood burner. As softwood, it has limited calorific value, but burns well. And today we have completed the sub base for our new build, expecting MBC in early December!

Thank you! Good advice. Will scrap!

We have started the demolition of our bungalow, and are now taking out the electric cables which appear to be in very good condition. We are wondering if any of it could be re-used in our new build passive haus. How advisable/possible is it reuse? Does anybody have any advice on this? The bungalow was built in 1983. Thank you

Hello All, so pleased to see this forum up and running, so many thanks to all of you who have taken the time to set it up and manage it. Our situation: In early April, we got planning approval for our new build passive house in mid Wales. The build will be (largely) on the site of an existing bungalow. It is our retirement project, so our plan is to take our time and enjoy the process, (if that is possible!) starting with demolition of the bungalow. Thirty years ago we build the house we live in (which is next door to our new building project). But a lot has changed in the intervening years, so lots to learn!