anonymous Posted August 23, 2023 Share Posted August 23, 2023 I've seen that City plumbing sell a couple of different vendors products https://www.cityplumbing.co.uk/c/product/energy-efficiency/waste-water-heat-recovery/c/1829000/ I have two bathrooms One has a bath, and a shower on top of it One is an en suite that only has a shower tray What waste water heat recovery system works best for both these? Can I mix and match vendors? Would it be worth mixing and matching too? It I want more en suites in the future, is one brand better than the other? Link to comment Share on other sites More sharing options...
Dave Jones Posted August 23, 2023 Share Posted August 23, 2023 we are using the recoup column unit, they only work for showers is my understanding as they need a constant cold feed to take the heat. We are plumbing all the showers (4) into a single unit and insulating the waste feeds to the unit. Link to comment Share on other sites More sharing options...
anonymous Posted August 23, 2023 Author Share Posted August 23, 2023 (edited) 10 hours ago, Dave Jones said: we are using the recoup column unit, they only work for showers is my understanding as they need a constant cold feed to take the heat. We are plumbing all the showers (4) into a single unit and insulating the waste feeds to the unit. My shower is merely connected just above the bath tub fwiw Will one column unit be able to help support four showers? I thought they have to have a system A / B thing? Edited August 23, 2023 by anonymous Link to comment Share on other sites More sharing options...
Dave Jones Posted August 24, 2023 Share Posted August 24, 2023 yes it doesnt matter how many really within reason, the cold water from a running shower goes through the heat exchanger in the column and you can either send it back to the shower (if only 1 shower) or send it back to the tank which is what we are doing. For a single shower they do a unit that goes under the bath that may be easier to plumb. 1 Link to comment Share on other sites More sharing options...
anonymous Posted August 24, 2023 Author Share Posted August 24, 2023 2 hours ago, Dave Jones said: yes it doesnt matter how many really within reason, the cold water from a running shower goes through the heat exchanger in the column and you can either send it back to the shower (if only 1 shower) or send it back to the tank which is what we are doing. For a single shower they do a unit that goes under the bath that may be easier to plumb. Thanks. May I ask why you went for Recoup instead of Zypho too? Link to comment Share on other sites More sharing options...
Dave Jones Posted August 24, 2023 Share Posted August 24, 2023 no reason really, exchanged a few emails with the maker of recoup and was impressed with the fast response. 1 Link to comment Share on other sites More sharing options...
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