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Showing results for tags 'immersion connections'.
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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.
