View Single Post
  #5   Report Post  
Duane Bozarth
 
Posts: n/a
Default

David Efflandt wrote:

....
Assuming a bladderless tank or blown bladder, this means initially
shutting off the pump, draining ALL water out of the tank, close water
valve to tank and pump it up with air to about 5 psi less than the
pressure switch turns the pump on.

.....

Every one I've ever seen has recommend precisely 2 lb differential
(less, obviously) relative to the cut-on pressure.