willbish Posted July 27, 2020 Share Posted July 27, 2020 Very tight for space and I cant quite get a square hopper on top of 110mm pipe without being all cockeyed. Is there anything narrower I can use? This gully is for ASHP condensate only, so could I use an adapter to a 40mm waste pipe and connect directly to the condensate drain? Link to comment Share on other sites More sharing options...
joe90 Posted July 27, 2020 Share Posted July 27, 2020 17 minutes ago, willbish said: could I use an adapter to a 40mm waste pipe and connect directly to the condensate drain? I don’t see why not, I tried to find a round grid to fit a 110mm socket unsuccessfully . Link to comment Share on other sites More sharing options...
willbish Posted July 27, 2020 Author Share Posted July 27, 2020 Just now, joe90 said: I tried to find a round grid to fit a 110mm socket unsuccessfully . Thats what Im looking around for now, perhaps I should stop! https://www.plastics-express.co.uk/underground-drainage/drainagecastings?product_id=2445 Link to comment Share on other sites More sharing options...
joe90 Posted July 27, 2020 Share Posted July 27, 2020 Funny how a company called “plastics-express” sell cast iron grids ?, yup, go for the 40mm reducer , no chance of other crap going down there ? Link to comment Share on other sites More sharing options...
willbish Posted July 27, 2020 Author Share Posted July 27, 2020 @joe90 have you connected your condensate drain directly? I thought most ashp's dont have a connection for the condensate, they kind of just drip on to the ground Link to comment Share on other sites More sharing options...
joe90 Posted July 27, 2020 Share Posted July 27, 2020 I don’t have a condensate drain, mine is “empathic” or something like that ???, means the core absorbs moisture and transfers it. As long as your drain has a trap to stop smells coming into your MVHR unit. There have been other threads about a trap inside the house just fir the MVHR unit drying up (no other water input into the trap) and smells going into the unit (the house). You can get waterless traps (apparently). Link to comment Share on other sites More sharing options...
willbish Posted July 27, 2020 Author Share Posted July 27, 2020 MVHR condensate is all sorted, this for the heat pump outside. I thought they all just kind of leak water rather than have a connection Link to comment Share on other sites More sharing options...
joe90 Posted July 27, 2020 Share Posted July 27, 2020 Oh bugger, sorry brain in neutral ?. My condensate drain from my ASHP just drops on the floor no indication in the MIs to connect it to anything!!!! Link to comment Share on other sites More sharing options...
willbish Posted July 27, 2020 Author Share Posted July 27, 2020 (edited) 11 minutes ago, joe90 said: Oh bugger, sorry brain in neutral ? At least it isn't in reverse yet! Edited July 27, 2020 by willbish 1 Link to comment Share on other sites More sharing options...
Russell griffiths Posted July 27, 2020 Share Posted July 27, 2020 (edited) Have you seen the proper condensate gulley, it is like a bottle gulley but tubular with a round grid on top. Edited July 27, 2020 by Russell griffiths Link to comment Share on other sites More sharing options...
PeterW Posted July 27, 2020 Share Posted July 27, 2020 2 hours ago, willbish said: MVHR condensate is all sorted, this for the heat pump outside. I thought they all just kind of leak water rather than have a connection Should just go to a gravel trap - no need for drains. Link to comment Share on other sites More sharing options...
Russell griffiths Posted July 28, 2020 Share Posted July 28, 2020 You can get a version that has limestone chippings in side it and lots of holes around the outside so it just soaks into the soil. I couldn’t find a pic of that one. Link to comment Share on other sites More sharing options...
dpmiller Posted July 28, 2020 Share Posted July 28, 2020 ^which is unnecessary for a heat pump as the condensate is from the air, not flue gas. 1 Link to comment Share on other sites More sharing options...
ToughButterCup Posted July 28, 2020 Share Posted July 28, 2020 1 hour ago, Russell griffiths said: ... I couldn’t find a pic of that one. Well, Mr Griffiths, at least Old Farts can find photgraphs and steal them efficiently. Link to comment Share on other sites More sharing options...
Russell griffiths Posted July 28, 2020 Share Posted July 28, 2020 2 hours ago, ToughButterCup said: Well, Mr Griffiths, at least Old Farts can find photgraphs and steal them efficiently. Well done, life in the ol dog yet. Link to comment Share on other sites More sharing options...
Russell griffiths Posted July 28, 2020 Share Posted July 28, 2020 3 hours ago, dpmiller said: ^which is unnecessary for a heat pump as the condensate is from the air, not flue gas. So are you saying these are for gas and oil systems, with air just let it drip. Sort of makes sense, should be no impurity’s from air source heat pump. Link to comment Share on other sites More sharing options...
PeterW Posted July 28, 2020 Share Posted July 28, 2020 7 minutes ago, Russell griffiths said: So are you saying these are for gas and oil systems, with air just let it drip. Sort of makes sense, should be no impurity’s from air source heat pump. yes - most ASHP MIs show a gravel trap for the condensate directly below the units. Link to comment Share on other sites More sharing options...
willbish Posted July 28, 2020 Author Share Posted July 28, 2020 This is the set up I've got Patio drains left to right ASHP pad drains right to left Little gully between house and pad to take condensate to soak away. I'm contemplating bodge: set square hopper in slabs covering 80% of the 110 pipe but not properly connected... Link to comment Share on other sites More sharing options...
Russell griffiths Posted July 28, 2020 Share Posted July 28, 2020 (edited) Can you put the round top on that normally takes a down spout. Edited July 28, 2020 by Russell griffiths Link to comment Share on other sites More sharing options...
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