Visited a 3 year old Wimpy house where the customers have a problem with the cold water flow in their two en-suite showers. They said that since the house was built they were'nt happy with the flow but now the cold is just a 'trickle'. Both showers are gravity fed (hot & cold) with no pump. The feed from the header tank enters the airing cupboard and T's off to 15mm under the floor boards to travel I should imagine 6 metres to get to each en-suite. The hot supply is 15mm from the storage cylinder as well. When I visited I did'nt have any tools as I was in my car and just went to have a look so nothing checked physically. Is this purely a bad design and any ideas for remedy.
the answer is in your question all pipework should've been run in 22mm, this will give a higher flow rate.
I appreciate that but to rip up the carpet, lino and floor boards that cover 6 metres in either direction is pretty major for a three year old house. I was wandering if a pump could cope with feeding into 15mm to two showers over that distance.
I think something like the RSP75 from SF would fit the bill. I would be inclined to fit a new 22mm supply from both hot and cold to the pump and then into the 15mm to the showers. The hot supply definitely needs to be from a flange of some sort.(preferably essex) At a lower cost the CT50 would still provide an improvement but you might want to ask Salamander about this.
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