Water Pump

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WhoMe?

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Hi

Can someone please offer advice on which water pump to pick? It'll be for the hotwater to the bath and a downstairs shower room, the cold is on mains and the upstairs shower is electric.

We have a hot water cylinder at ground level (about 5m away from the original wall of the house) which is fed from the cold water tank in the loft (I live in a 2 storey semi). The bath is upstairs.

Would a Stuart Turner 2 bar Monsoon be appropriate?

Is this enough info?

Thanks
 
Go for the 4.5 bar, it's only £30 more than the 2.0 and will give you a much higher flow rate for filling your bath
 
muggles said:
Go for the 4.5 bar, it's only £30 more than the 2.0 and will give you a much higher flow rate for filling your bath
Click to expand...

Thanks, I'll look it up.

Would this require a faster flow in? I'm not sure of the flow rate
 
Yes, with any pump you can't get more out than you put in, but you'll only need the same 22mm supply pipe.

Quoted pump pressures are theoretical as they're rated at zero flow, and drop off as soon as water is flowing through the pump. Thus the 2.0 bar pump will drop to 1.0 bar with 15 litres per minute passing through. The 4.5 bar will run at about 32 litres per minute at 1 bar maintained pressure
 
One last thing, my builder says it should be negative flow but from the diagrams I've seen online it seems it should be positive. Three setup is mains to water tank in loft - loft to hot water cylinder at ground - water cylinder to bath on first and shower on ground. Nothing higher than the water tank.

Thanks
 
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