Everything you need to build a great overflow prevention system.

Use Mold-a-Holder formable bracket to mount switch at top of tank.
If water level reaches the float, power is cut to your return pump.
Prevents an overflow in the event of a siphon break.
Also keeps water from overflowing tank if overflow pipe gets blocked.
All you need to add is an extension cord appropriate for your pump.
If system is tripped, a warning light illuminates.
Pump will not turn back on until you hit the system reset button.
Warning: this is a project involving 120V electricity. Do not attempt this project If you are not comfortable working with basic electrical wiring. We cannot be held liable for injuries.

AquaHub Pump Stopper Manual