Morrison Bros. 924 Series 12 in. Adjustable Tank Fluid Level Sensor - Stainless Steel Tube

Morrison Bros.
Up to 12 in.
2 in.
Stainless Steel
Product Type:
Level Alarm Probe
3.50 LBS
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The 924 Adjustable Level Sensor is a float-activated simple switch device used to monitor liquid at a desired set point. The 924 is fully adjustable with a minimum of 1 in. up to a maximum of 12 in.


  • Four sensor length ranges
  • Fully adjustable within the sensor range length
  • Installs into a 2 in. female threaded opening
  • 1/2 in. NPT fitting at top of sensor
  • Normally open switch easily converted to normally closed operation
  • Level sensor in liquid storage tanks
  • Activates audible alarm
  • Third Party EPA evaluated with both 918/D/Q Tank Alarm


  • Wires: PTFE jacketed wires
  • Floats: Nitrophyl-M (924) 316 stainless steel (924S)
  • Tube: brass (924); 304 stainless steel (924S)
  • Bushing: e-coated steel (924); 304 stainless steel (924S)
  • Electrical Switch Ratings: 100 watt resistive load, 300VAC - 700mA max / 350VDC - 1.0A max, SPST
  • Approved Use Locations: UL/ULC Class I, Div 1, Group D - When used in conjunction with the model 918AC, model 918S/D/Q, and model 918SB


Installation & Maintenance Instructions (PDF Download)