Liberty Pumps has added alarm options to its 370 series sewage package. The alarm feature offers the added protection of early warning in the event of pump failure. When ordered with the alarm option, Liberty pre-mounts the alarm float at the proper level in the basin so no system disassembly is required. The alarm panel is packaged on top of the unit. Available with three different style of alarms for both indoor and outdoor mounting. Liberty Pumps.