When my Little Giant 5 Series pump shuts off, why does the water drain back down the hose, making the pump turn back on?

If the Little Giant 5 Series pump shuts off, and the water drains back down the hose, making the pump turn back on, replace the check valve.

Can I use my Little Giant 5 Series pump in Europe where the frequency is 50 Hz and not 60 Hz?

Do not use the Little Giant 5 series pump in Europe where the frequency is 50 Hz and not 60 Hz. The frequency is not able to change, and the pump will not work.

What can I use in the water around my Little Giant 5 series pump to prevent it from going green?

Use fountain algaecide in the water around your Little Giant 5 series pump to prevent it from going green.

What is the difference between the Little Giant 505715, 5-ASP and 505717, 5-ASP-LL?

The difference between the Little Giant 505715, 5-ASP and 505717, 5-ASP-LL is the ON and OFF levels.

  • For 505715:
    • ON level – range: 6" - 9"
    • OFF level – range: 1" - 4"
  • For 505717:
    • ON level – range: 2" - 3"
    • OFF level – range: 0.5" - 1.5"
Our Brand Promise

There’s a reason we’ve been the go-to pump for HVAC, Plumbing, Pool, and Hydroponics professionals for generations: experience. For 80 years, Little Giant® products have stood the test of time, pumping a steady flow of proven reliability in the most demanding applications.