shower pump twin or single

lprenrut | 20:15 Wed 01st Nov 2006 | How it Works

2 Answers

Hi Guys
Can anyone tell me why there are twin impeller pumps and single impeller pumps. I mean the pump in my airing cupboard has a inlet and outlet on either side of the pump one side for cold and the other for hot. I'm just wondering why would you have a single pump.

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gasman

You have almost answered your own question one for hot & one for cold water in a twin impeller & a single one for cold water say for an electric shower that only needs a cold feed but requires a higher pressure than the incoming mains, if it is too low a water presure. Or to boost the hot if the incoming mains is higher then your hot feed pressure

lprenrut

Question Author

Thanks for that answer I thought as much but just wanted it confirmed

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