[Alberg30] What I learned about pumps...

[Mike Lehman]

I found a pressure switch for $18 made by Square-D. It's adjustable from 20 
psi to 40 psi. You can simply "T" it into the output side of the pump and it 
will switch the pump off when the pressure in the output side reaches the 
desired pressure and switch it back on the pressure drops.

Here's what I learned....impellor pumps with rubber impellors do a good job 
pushing water but will not build pressure because the blades fold over when 
there is pressure.

Moral of the story...don't waste your time like I did this weekend, just go 
buy a damn pump made for the job with a built-in switch.



Mike Lehman
"Gilleleje" #505

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