I need to do some water testing of a skylight assembly that is about 80' above the ground. When I run hoses up the skylight, the pressure drop is so great that I don't get much water flow.
If I can get a pressure washer up to the skylight, can I use it to boost the pressure and increase the volume of water flow? Put another way, can I use it as an auxiliary pumping device to augment flow, or will the low pressure at the intake limit my flow?
Depends; look up the flow rates vs height for YOUR pressure washer, along
with the gph rating it needs, which you can easily measure from an 80' high
position. None are likely to work, but some methods might.
Better off with a legit pump that can pump that high; that's why they all
have specs supplied with them.
80' =~ 35 psi
you need a booster pump fed by the domestic water supply at ground
level at ground level.
Just like how the fire dept uses hydrants to feed a pumper truck to
supply high pressure water to the hoses.
The pump can only supply what ever volume it is supplied. :(
It can increase pressure but the flow in & out of the pump remains the
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