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Exerciser® Only
Unit of Measure


Supply Voltage

N/A 115 VAC ± 10 %

Supply Phase

N/A Single Phase

Supply Frequency

N/A 50/60 Hz

Maximum Power Consumption

N/A 3.8 V·A
Pump Output Rating1 N/A 1/2 hp
Alarm Contact Rating2 N/A 6 A
Alarm Buzzer Rating3 N/A 90 dB

Float Switch Input Voltage

N/A 2.0 VDC ± 10 %

Operating Temperature

N/A +10 to +32 ºC

Storage Temperature

N/A -45 to +85 ºC

Enclosure Material

N/A Black Plastic



  • Exercises Sump and Sewage Pumps for:
    Elevator Sump Areas
    Truck Loading Docks
    Dry Pit Sump Areas
  • Automatically operates Pump for 3 seconds every 7 days.
  • Provides Float Switch Input for On/Off level control of Pump.
  • Provides Power On and Pump Run LED indication.
  • Detects when a foreign object keeps the Pump from turning freely, turns the Pump off, and activates the Fault Alarm.
  • Provides Audible Alarm with flashing LED indication as well as Alarm Contact for connection to building Alarm System.
  • Test/Reset Push-button to test Pump operation or to reset Alarm.
  • Designed for 115 V Pumps up to and including 1/2 HP.

General Specification

N/A The Exerciser® has been designed to regularly energize Sump and Sewage Pumps rated 115 VAC, 1/2 HP, that may go for extended periods of time without being run. By periodically exercising sump pumps that may otherwise sit for an extended period of time, The Exerciser® keeps your sump and/or sewage pump ready to go.

The Exerciser® (SPEx-2) works with any sump or sewage pumps with an integral (built-in) float switch. To use the SPEx-2, simply tie-wrap the integral float switch into the on (tilted) position, and plug the pump into the receptacle marked "pump" on the SPEx-2.

The Spex-2 can be ordered two ways: one - with a float switch that has the mating plug to the receptacle on the SPEx-2 for the float switch, or two - the SPEx-2 can be ordered with the mating plug, and the customer may supply their own float switch. Plug the float switch with the plug that matches the receptacle on the SPEx-2, then plug the SPEx-2 into the wall outlet. (The receptacle plug is different in configuration from the pump plug, so that the two cannot be interchanged.)

The Exerciser® works by energizing the pump for approximately 3 seconds every 7 days. The Exerciser® contains power-on, pump run, and pump fault indication; as well as an alarm contact for connection to a building alarm system. The alarm for The Exerciser® consists of an audible piezo horn, an alarm contact, and a combination push-to-test button for silencing the alarm and testing the unit. The Exerciser® verifies that the pump has started via the pump current drawn, and will give a fault indication if the pump fails to start.

The Exerciser® has been designed to provide the homeowner or business peace of mind by ensuring their sump or sewage pump will run when it is called to do so, and to give an alarm when the pump fails to do so. The Exerciser® has been designed for applications including home sumps, basement ejectors, elevator sumps, loading docks, and dry pit sump applications.

  • 1 @ 115 VAC
  • 2 @ 120 VAC
  • 3 @ 30 cm