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Accurate liquid level measurement can reduce overfill and waste, maintain product quality, and provide application consistency. Manufacturers worldwide depend on Madison float switches, liquid level sensors and water level indicators to save them time and money. Although fluids vary in viscosity, chemical makeup and temperature, Madison level sensing products are compatible with most liquid media – and even some solids. Many applications can be used with these standard Madison products.

$250 minimum total order required. Please see our Distributor Locator for smaller orders. Quantity discounts available.
Model No.sort descending Image Description List Price Add to Cart
M3326M3326 Subminiature float switch, polypropylene, 3/8" bulkhead, normally closed $29.00/ea $29.00
M3326-NOM3326-NO Subminiature float switch, polypropylene, 3/8" bulkhead, normally open $29.00/ea $29.00
M3782M3782 Submersible suspendable float switch, brass and Buna, slosh shield, 240" cable $144.00/ea $144.00
M3827-2NOM3827-2NO Side kick float switch, stainless steel, 1/2" NPT, normally open $135.00/ea $135.00
M4189M4189 Tilt float switch, plastic, 6.6 ft 18 AWG 3 conductor cable, SPDT, sump switch $39.00/ea $39.00
M4300M4300 Float switch, brass and Buna, 1/4" NPT, 60 watt $39.00/ea $39.00
M4302-7807-1M4302-7807-1 Adjustable float switch, Brass / Buna, 2" NPT, 12" max level $178.00/ea $178.00
M4500M4500 Miniature float switch, brass and Buna, 1/8" NPT $35.00/ea $35.00
M4549M4549 Industrial tilt float switch, plastic, 49 ft 18 AWG 3 conductor cable, SPDT $104.00/ea $104.00
M5000M5000 Miniature float switch, stainless steel, 1/8" NPT $57.00/ea $57.00
M5010M5010 Miniature side mount 90 degree float switch, stainless steel, 3/8" bulkhead $61.00/ea $61.00
M5600M5600 Float switch, stainless steel, 1/4" NPT, 60 watt $77.00/ea $77.00
M5601M5601 Float switch, stainless steel, 1/4" NPT, 100 watt $97.00/ea $97.00
M5601-HPM5601-HP Float switch, stainless steel, 1/4" NPT, 100 watt, for high pressure $113.00/ea $113.00
M5602-13331M5602-13331 Float switch, stainless steel, 1/2" NPT, 100 watt, for high buoyancy $405.00/ea $405.00
M5602-7808-1M5602-7808-1 Adjustable float switch, stainless steel, 2" NPT, 12" max Level $260.00/ea $260.00
M5900M5900 Side mount float switch, stainless steel, 1" x 1/2" NPT $206.00/ea $206.00
M5910M5910 Side mount float switch, stainless steel, 1/2" x 1/4" NPT $175.00/ea $175.00
M5917M5917 Float switch, stainless steel, 1/4" NPT, for high temperature $89.00/ea $89.00
M5920M5920 Side mount float switch, stainless steel, 1/2" x 1/2" NPT $189.00/ea $189.00
M5970M5970 Side mount float switch, stainless steel, 1/2" bulkhead $105.00/ea $105.00
M7000M7000 Miniature float switch, PBT and Buna, 1/8" NPT $18.00/ea $18.00
M7700M7700 Side mount float switch, PBT, 1/2" x 1/2" NPT $27.00/ea $27.00
M7725M7725 Side mount float switch, PBT, 1/2" NPT, 1/4" spade terminals $31.00/ea $31.00
M7750M7750 Side mount float switch, PBT, 1/2" NPT $28.00/ea $28.00
M7790M7790 Side mount float switch, PBT, 5/8" bulkhead with silicone gasket $31.00/ea $31.00
M7800M7800 Float switch, PBT and Buna, 1/4" NPT, 60 watt $38.00/ea $38.00
M8000M8000 Miniature float switch, polypropylene, 1/8" NPT $16.00/ea $16.00
M8000-75M8000-75 Miniature float switch, polypropylene, 1/8" NPT $28.00/ea $28.00
M8000-CM8000-C Miniature float switch, polypropylene, 3/4" PVC pipe insert, for condensate lines $26.00/ea $26.00
M8600M8600 Float switch, stainless steel and polypropylene, 1/4" NPT, 60 watt $58.00/ea $58.00
M8700M8700 Side-mount float switch, polypropylene, 1/2" x 1/2" NPT $18.00/ea $18.00
M8700-CM8700-C Side-mount float switch, polypropylene, 3/4" x 1/2" NPT, for HVAC condensate $26.00/ea $26.00
M8705M8705 Side-mount float switch, polypropylene, 1" x 1/2" NPT, slosh shield $39.00/ea $39.00
M8710M8710 Side-mount float switch, polypropylene, 1/2" x 1/4" NPT $67.00/ea $67.00
M8725M8725 Side-mount float switch, polypropylene, 1/2" NPT, 1/4" spade terminals $24.00/ea $24.00
M8750M8750 Side-mount float switch, polypropylene, 1/2" NPT $15.00/ea $15.00
M8790M8790 Side-mount float switch, polypropylene, 5/8" bulkhead with silicone gasket $21.00/ea $21.00
M8790-14/4184M8790-14/4184 Side-mount float switch, polypropylene, 5/8" bulkhead with rubber compression grommet $37.00/ea $37.00
M8800M8800 Float switch, polypropylene, 1/4" NPT, 60 watt $63.00/ea $63.00
M9000M9000 Miniature float switch, Kynar, 1/8" NPT $44.00/ea $44.00
M9250M9250 Miniature float switch, Teflon (PTFE) and stainless steel, 1/8" NPT $165.00/ea $165.00
M9700M9700 Side-mount float switch, Kynar, 1/2" x 1/2" NPT $36.00/ea $36.00
ML4444ML4444 Multi-point float switch kit, brass and Buna, 2" NPT, 2 level $265.00/ea $265.00
ML5555ML5555 Multi-point float switch kit, stainless steel, 2" NPT, 2 level $537.00/ea $537.00
ML8888ML8888 Multi-point float switch kit, polypropylene, 2" NPT, 2 level $448.00/ea $448.00
MS5010MS5010 Miniature side mount 90 degree float switch, stainless steel, 3/8" bulkhead, slosh shield $97.00/ea $97.00
MS7000MS7000 Miniature float switch, PBT and Buna, 1/8" NPT, slosh shield $37.00/ea $37.00
MS8000MS8000 Miniature float switch, polypropylene, 1/8" NPT, slosh shield $31.00/ea $31.00
MSB5600MSB5600 Float switch, stainless steel, bracket mount, 60 watt, slosh shield $187.00/ea $187.00
MSB8800MSB8800 Float switch, polypropylene,bracket mount, 60 watt, slosh shield $118.00/ea $118.00
R2-120R2-120 Controller, 120VAC, SPDT, for pump level $195.00/ea $195.00
U3M-148U3M-148 Ultrasonic Sensor, 6 ft, PVC, 1" NPT, 12-30 VDC, 4-20mA output, Push Button Programmable $511.00/ea $511.00
U5098-A024-019U5098-A024-019 Ultrasonic Sensor, 19 ft, Polypropylene, G 2"* thread, 22-27 VAC, 4-20mA output, Push Button Programmable $814.00/ea $814.00

Contact Madison Company if you have technical questions or need additional information not displayed here. Call: 203-488-4477