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APak® Alarm Systems

APak® Alarm Systems


Indoor and Outdoor Alarm Systems Log in to your ZControl Account here.

An APak® Alarm System from Zoeller Pump Company monitors liquid in pump chambers, basins, holding tanks, and other water systems. The device can notify you if the water level presents the danger of overflow, giving you time to act and protect your property from flooding. During standard operation, a green light indicates that the power is on. A red light appears when the system senses high water.

You can set the system to emit a loud horn sound in the event of high water levels. Once the situation is remedied, the red light automatically turns off and the system resets. A chirping noise indicates a low battery — the system uses two AA batteries for easy replacement.

These indoor alarms have a compact design and some feature built-in Wi-Fi for remote connectivity and control, ensuring you stay informed about the water level in your sump pit. With an APak® alarm in place, you can monitor your pump from anywhere.

APak® Outdoor Alarm System Features

  • NEMA 4X Outdoor use per UL 864 for US and Canada
  • Alarm system (horn & light) operates to warn of a high-water condition
  • Horn is rated 82 decibels at 10’ (3 m)
  • Auxiliary dry contacts for high level alarm, 5 Amps
  • Operates on separate circuit from pump, 115 VAC
  • Alarm test and horn silence switch with automatic reset
  • Terminal connections for a pump and float switch (Model 91104-0001)
  • Can be used with liquids to 140 °F (60 °C)
  • 15′ (5 m) float switch (Model 91104-0001)
  • 20′ (6 m) float switch, 6′ (2 m) power cord, watertight cord connectors (Model 10-0682)
  • 3 year limited warranty (Model 10-2614, 10-0682, 91104-0001)

APak® Indoor Alarm System Features

  • Auto-reset solid state alarm
  • Battery backup for power outage (2-AA batteries not included)
  • NEMA 1 non-corrodible enclosure for indoor use
  • Manual shut-off
  • Float switch with 15’ (5 m) cable included
  • 6′ (2 m) power cord
  • Horn rated at 86 decibels at 10′ (3 m)
  • Built-in Wi-Fi for remote connectivity via Z Control® Cloud! (Model 10-4013, 10-4014) See FM2945.
  • 3 year limited warranty (Model 10-4011, 10-4012)
  • 5 year limited warranty and auxiliary dry contacts (Z Control Models 10-4013, 10-4014)


All variable level float switches in this section are mechanically activated and do not contain mercury.