This high water level switch is typically mounted at some appropriate level above the (separate) switch used to activate your primary bilge pump, and is used to activate the Ultra Safety System's High Water Alarm. This can alert you to an ongoing problem with your bilge pump.
It has different circuitry and is not one of Ultra Stafety Systems' bilge pump switches.

Sized the same as the Ultra Junior Switch, this switch is available with normally open or normally closed contacts (when the float is in the down position).
When the water rises, the contacts either open or close, depending on the version of the switch you purchase, activating your alarm system.

o 1-1/4" On/Off float height differential
o 100mA Maximum circuit rating
o The same rugged construction as the pump switches
o 6-1/4" High x 2-1/2" Diameter