Big Jimbo Posted May 16, 2023 Share Posted May 16, 2023 has anybody on here got any sort of waste water heat recovery ? according to the new building regs, new houses are going to need them for the saps calc.Part of the new part L. Is this a case of upping something else in order to compensate for not having them ? Seems like a proper faff. Cheapest ones i can find are £250 a pop, so with 4 showers thats another grand. That, and apparently they slow down the flow ? Top that off with more hidden pipe joints (which i hate) Lastly, i expect that the cheap one's probably are not on the excepted list with the sap bod. Any thoughs ? Link to comment Share on other sites More sharing options...
joe90 Posted May 16, 2023 Share Posted May 16, 2023 I have never liked the idea having replaced customers waste pipes full of crud which I think could only get worse! 1 Link to comment Share on other sites More sharing options...
Dave Jones Posted May 16, 2023 Share Posted May 16, 2023 yes, having a column one on our current build. It will take 3 showers wastes and return warm to tank not the showers. Link to comment Share on other sites More sharing options...
Big Jimbo Posted May 16, 2023 Author Share Posted May 16, 2023 @Dave Jones Nice extra points on your Saps Link to comment Share on other sites More sharing options...
Dave Jones Posted May 16, 2023 Share Posted May 16, 2023 im not decided on insulating the waste pipe though. parasitic heatloss could be a good thing in winter, not sure in summer or even its its worth the cost of the insulation... 2 Link to comment Share on other sites More sharing options...
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