Check valve installed without
vent hole.
Restricted intake screen
Check valve is installed either
backward or upside down
Troubleshooting
For parts or assistance, call Flotec Customer Service at
Drill a 1/16" - 1/8" (1.6mm-3.2mm) dia. hole between
pump discharge & check valve (1-2" above where the
discharge pipe screws into the pump discharge and
below the waterline).
Remove the pump and clean out the intake screen.
Be sure check valve is installed correctly.
1-800-365-6832