What presure how many l/min

[EdRedBird]

Ladies and Gents
Currently looking at some pumps , what flow rate presure would be recommended for sink
(For the shower solution I only need to come up 1.25m from the pumps location) for the tap only 80cm

 

[Richard n Ann]

Check the working pressure of the water heater. Mine said 30psi max so I got a 30psi shurflo pump

 

[dawsey]

Flow rate and pressure are different things, just the same as Voltage and Current are.

For a camper you need an ideally submersible pump which can maintain minimum 2-3 litres per minute with a minimum applied load (or pressure which is created by restricting flow or ‘head’, vertical lift distance) of approx 5psi or 0.3bar, which represents an absolute minimum 5metre pure lift (or “pressure head’) capability.

 

[Lenny HB]

A 20 psi with a min flow rate of 7/lt/min would do, 30 psi pumps tend to be quite noisy.

 

[dawsey]

DIFCUL 12V Submersible Water Pump, 840L/H High Flow Pumps, Micro Motor Water Pump for Motor Home, Pond, Aquarium, Fish Tank Fountain https://www.amazon.co.uk/dp/B09MLZ2MTH/?tag=mhf04-21

840lph is about 15min @ no load, in reality you’d get about 1/4 of that flow (3-4lpm) with this installed in a typical camper application, with the pump both driving through the pipes and lifting approx 2m.

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[dawsey]

Check the working pressure of the water heater. Mine said 30psi max so I got a 30psi shurflo pump

A maximum pressure is the absolute maximum pressure the system can withstand. It is not the ‘recommended’ working pressure.

 

[Richard n Ann]

A maximum pressure is the absolute maximum pressure the system can withstand. It is not the ‘recommended’ working pressure.

Oh it's been ok anyway.. I'll have to check the exact wording again

 

[EdRedBird]

Updating the top post as well. (Richard n Ann )
I am working of this:
Coldwater System (pump etc)

Hotwater System (calorifier)


Now there is a pump in the description but I am looking at options and noise levels too