Tank Level Indicators let you know how much water is in your tank
Tank Level Switches can control when your pump switched on / off based on the level of water in your tank
Tank Gauge (Manual) - $ P.O.A
Liquidator 2 - $ P.O.A
Dipstick (Part A + B) - $ P.O.A
Hanson Level Alert - $ P.O.A
Apex Visiball - $ P.O.A
Tube Extension - $ P.O.A
Kelco D50 Level Float Switch - $ P.O.A
Liquid Level Control Switch - $ P.O.A