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Madison Home » Fluids Sensed » Non-Potable Water

Sensors for Non-Potable Water

Sensors for Non-Potable Water Select Your Product

Waste water and sewage treatment processes produce unending equipment and operator issues. Clogged pumps are caused by debris from cleaning, solids from processing and particles from agitation. Increased difficulty in level sensing occurs as waste water becomes foamy, turbid and more chemical-laden. From holding tanks to pits, ponds, streams, and reservoirs, Madison Company manufactures standard and custom-designed switches and sensors for virtually any waste water sensing application. Each Madison product is designed and manufactured to withstand even the harshest of environments.

Key features of Madison liquid level sensors and float switches for non-potable water include:

  • Wide variety of chemically resistant materials available – 316 Stainless Steel, Buna-N, brass and PBT
  • Slosh shields on many products to prevent floats from sticking
  • Technology options such as pressure, tilt, ultrasonic and radar level sensors
  • Custom Engineered liquid level solutions for specialized applications.
  • Same day shipment for many liquid level sensors and float switches
  • Personalized service and support
Non-potable Water Priority: 1
Model No. Image Description List Price Add to Cart
C4651-12802C4651-12802 Continuous float level sensor, stainless steel and polypropylene, 16" sensing range $275.41/ea $275.41
C4651-xxxxxC4651-xxxxx Continuous float level sensor, user selectable, customizable sensing range

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M3769 M3769 Interstitial float switch, PVC and Buna, 10 ft cable $126.98/ea $126.98
M3782M3782 Submersible suspendable float switch, brass and Buna, slosh shield, 240" cable $126.43/ea $126.43
M4189M4189 Tilt float switch, plastic, 6.6 ft 18 AWG 3 conductor cable, SPDT, sump switch $33.30/ea $33.30
M4189-1003M4189-1003 Tilt float switch, plastic, 49.2 ft 18 AWG 3 conductor cable, SPDT, sump switch $52.66/ea $52.66
M4546M4546 Oval tilt float switch, plastic, 6.6 ft 18 AWG 3 conductor cable, SPDT $29.29/ea $29.29
M4548M4548 Industrial tilt float switch, plastic, 6.5 ft 18 AWG 3 conductor cable, SPDT $59.23/ea $59.23
M4549M4549 Industrial tilt float switch, plastic, 49 ft 18 AWG 3 conductor cable, SPDT $91.24/ea $91.24
M8700-CM8700-C Side-mount float switch, polypropylene, 3/4" x 1/2" NPT, for HVAC condensate $21.36/ea $21.36
Non-potable Water Priority: 2
Model No. Image Description List Price Add to Cart
C4651-12804C4651-12804 Continuous float level sensor, stainless steel and Buna, 29.38" sensing range, for 55 gallon drums $448.51/ea $448.51
M3326M3326 Subminiature float switch, polypropylene, 3/8" bulkhead, normally closed $24.95/ea $24.95
M3326-NOM3326-NO Subminiature float switch, polypropylene, 3/8" bulkhead, normally open $24.95/ea $24.95
M3326-NPTM3326-NPT Subminiature float switch, polypropylene, 1/8" NPT, normally closed $42.73/ea $42.73
M3326-NPT-NOM3326-NPT-NO Subminiature float switch, polypropylene, 1/8" NPT, normally open $44.74/ea $44.74
M3784-110M3784-110 Conductivity sensor kit, stainless steel, 1" NPT, 24" probes, 110 VAC level controller $393.77/ea $393.77
M3784-2M3784-2 Conductivity probe, stainless steel, 1" NPT, 24" probes $194.93/ea $194.93
M3784-220M3784-220 Conductivity sensor kit, stainless steel, 1" NPT, 24" probes, 220 VAC level controller $385.17/ea $385.17
M3784-24M3784-24 Conductivity sensor kit, stainless steel, 1" NPT, 24" probes, 24 VAC level controller $385.17/ea $385.17
M3827-2M3827-2 Side kick float switch, stainless steel, 1/2" NPT, normally closed $114.57/ea $114.57
M3827-2NOM3827-2NO Side kick float switch, stainless steel, 1/2" NPT, normally open $117.42/ea $117.42
M3850M3850 Single point conductivity probe, stainless steel and polypropylene, 1/2" bulkhead $26.39/ea $26.39
M4003M4003 Side mount float switch, stainless steel, 5/8" bulkhead with rubber compression grommet $145.23/ea $145.23
M4010M4010 Miniature side mount 90 degree float switch, brass and Buna, 3/8" bulkhead $48.38/ea $48.38
M4168-1M4168-1 High level float switch, brass and Buna, 3/4" bung, normally open, for 55 gallon drums $115.23/ea $115.23
M4168-1-FMM4168-1-FM High level float switch, brass and Buna, 3/4" bung, normally open, for 55 gallon drums, with fixed mount alarm $350.63/ea $350.63
M4168-2M4168-2 Low level float switch, brass and Buna, 3/4" bung, normally closed, for 55 gallon drums $133.41/ea $133.41
M4168-3M4168-3 High and low level float switch, brass and Buna, 3/4" bung, for 55 gallon drums, fixed mount alarm $163.77/ea $163.77
M4169-1M4169-1 High level float switch, stainless steel, 3/4" bung, normally open, for 55 gallon drums $154.57/ea $154.57
M4169-2M4169-2 Low level float switch, stainless steel stem, 3/4" bung, normally closed, for 55 gallon drums $182.76/ea $182.76
M4169-3M4169-3 High and low level float switch, stainless steel, 3/4" bung, for 55 gallon drums, fixed mount alarm $229.40/ea $229.40
M4190M4190 Side mount heavy duty float switch, stainless steel, 100 watt, .6 SG $287.37/ea $287.37
M4190-BUM4190-BU Side mount heavy duty float switch, stainless steel and Buna, 100 watt , .45 SG

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M4300M4300 Float switch, brass and Buna, 1/4" NPT, 60 watt $33.41/ea $33.41
M4300-SPDTM4300-SPDT Float switch, brass and Buna, 1/4" NPT, 25 watt SPDT $56.06/ea $56.06
M4301M4301 Float switch, brass and Buna, 1/4" NPT, 100 watt $39.76/ea $39.76
M4302-7807-1M4302-7807-1 Adjustable float switch, brass and Buna, 10.5" Max, 2" NPT $155.82/ea $155.82
M4302-7807-2M4302-7807-2 Adjustable float switch,brass and Buna, 22.5" max, 2" NPT $169.57/ea $169.57
M4302-7807-3M4302-7807-3 Adjustable float switch,brass and Buna, 34.5" max, 2" NPT $175.88/ea $175.88
M4302-7807-4M4302-7807-4 Adjustable float switch,brass and Buna, 46.5" max, 2" NPT $186.48/ea $186.48
M4302-7807-5M4302-7807-5 Adjustable float switch,brass and Buna, 58.5" max, 2" NPT $194.23/ea $194.23
M4302-7807-6M4302-7807-6 Adjustable float switch, brass and Buna, 70.5" max, 2" NPT $202.23/ea $202.23
M4302-xxxxxM4302-xxxxx Multi-point float switch,brass and Buna, custom configured

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M4402-xxxxxM4402-xxxxx Miniature multi-point float switch, stainless steel and Buna, custom configured

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M4500M4500 Miniature float switch, brass and Buna, 1/8" NPT $30.04/ea $30.04
M4502-xxxxxM4502-xxxxx Miniature multi-point float switch, brass and Buna, custom configurable

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M4602-xxxxxM4602-xxxxx Multi-point float switch, stainless steel and Buna, custom configured

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M5400M5400 Float switch, stainless steel and Buna, 1/4" NPT, 60 watt

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M5400-SPDTM5400-SPDT Float switch, stainless steel and Buna, 1/4" NPT, 25 watt SPDT

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M5401M5401 Float switch, stainless steel and Buna, 1/4" NPT, 100 watt

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M7000M7000 Miniature float switch, PBT and Buna, 1/8" NPT $15.03/ea $15.03
M7700M7700 Side mount float switch, PBT, 1/2" x 1/2" NPT $22.25/ea $22.25
M7705M7705 Side mount float switch, PBT, 1" x 1/2" NPT, slosh shield $67.69/ea $67.69
M7725M7725 Side mount float switch, PBT, 1/2" NPT, 1/4" spade terminals $26.39/ea $26.39
M7750M7750 Side mount float switch, PBT, 1/2" NPT $23.56/ea $23.56
M7755M7755 Side mount float switch, PBT, 1" NPT, slosh shield $66.37/ea $66.37
M7790M7790 Side mount float switch, PBT, 5/8" bulkhead with silicone gasket $26.46/ea $26.46
M7800M7800 Float switch, PBT and Buna, 1/4" NPT, 60 watt $32.67/ea $32.67
M7800-SPDTM7800-SPDT Float switch, PBT and Buna, 1/4" NPT, 25 watt SPDT $47.70/ea $47.70
M7801M7801 Float switch, PBT and Buna, 1/4" NPT, 100 watt

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M8000M8000 Miniature float switch, polypropylene, 1/8" NPT $13.23/ea $13.23
M8000-CM8000-C Miniature float switch, polypropylene, 3/4" PVC pipe insert, for condensate lines $21.89/ea $21.89
M8000BM8000B Miniature float switch, polypropylene, 3/8" bulkhead with nut $32.95/ea $32.95
M8002-xxxxxM8002-xxxxx Miniature multi-point float switch, stainless steel and polypropylene, custom configured

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M8020M8020 Miniature float switch, stainless steel and polypropylene, 1/8" NPT $68.53/ea $68.53
M8060-PRM8060-PR Float switch, CPVC and polypropylene, 1/4" NPT, 100 watt $58.21/ea $58.21
M8080-xxxxxM8080-xxxxx Miniature multi-point float switch, polypropylene , custom configured

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M8085M8085 Miniature multi-point float switch, polypropylene , 1/4" NPT, normally closed, 2 level $63.20/ea $63.20
M8600M8600 Float switch, stainless steel and polypropylene, 1/4" NPT, 60 watt $50.27/ea $50.27
M8602-xxxxxM8602-xxxxx Multi-point float switch, stainless steel and polypropylene, custom configured

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M8700M8700 Side-mount float switch, polypropylene, 1/2" x 1/2" NPT $15.03/ea $15.03
M8705M8705 Side-mount float switch, polypropylene, 1" x 1/2" NPT, slosh shield $33.93/ea $33.93
M8710M8710 Side-mount float switch, polypropylene, 1/2" x 1/4" NPT $57.81/ea $57.81
M8725M8725 Side-mount float switch, polypropylene, 1/2" NPT, 1/4" spade terminals $20.11/ea $20.11
M8750M8750 Side-mount float switch, polypropylene, 1/2" NPT $12.93/ea $12.93
M8755M8755 Side-mount float switch, polypropylene, 1" NPT, slosh shield $35.51/ea $35.51
M8790M8790 Side-mount float switch, polypropylene, 5/8" bulkhead with silicone gasket $17.60/ea $17.60
M8790-14/4184M8790-14/4184 Side-mount float switch, polypropylene, 5/8" bulkhead with rubber compression grommet $32.13/ea $32.13
M8800M8800 Float switch, polypropylene, 1/4" NPT, 60 watt $54.67/ea $54.67
M8800-PRM8800-PR Float switch, polypropylene, 1/4" NPT, 100 watt, 500 PSI $98.93/ea $98.93
M8800-SPDTM8800-SPDT Float switch, polypropylene, 1/4" NPT, 25 watt SPDT $76.40/ea $76.40
M8801M8801 Float switch, polypropylene, 1/4" NPT, 100 watt

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M8802-xxxxxM8802-xxxxx Float switch, polypropylene, custom configured

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M9000M9000 Miniature float switch, Kynar, 1/8" NPT $37.70/ea $37.70
M9700M9700 Side-mount float switch, Kynar, 1/2" x 1/2" NPT $31.42/ea $31.42
M9705M9705 Side-mount float switch, Kynar, 1" x 1/2" NPT, slosh shield $66.63/ea $66.63
ML4444ML4444 Multi-point float switch kit, brass and Buna, 2" NPT, 2 level $232.49/ea $232.49
ML4444-LVL3ML4444-LVL3 Multi-point float switch kit, brass and Buna, 3rd level adder, for ML4444 $74.43/ea $74.43
ML4444-LVL4ML4444-LVL4 Multi-point float switch kit, brass and Buna, 4th level adder, for ML4444 $80.89/ea $80.89
ML4444-LVLS3&4ML4444-LVLS3&4 3rd & 4th Level Adder Option for ML4444 Multi-Point Switch Kit $143.41/ea $143.41
ML5555ML5555 Multi-point float switch kit, stainless steel, 2" NPT, 2 level $471.26/ea $471.26
ML5555-LVL3ML5555-LVL3 Multi-point float switch kit, stainless steel, 3rd level adder, for ML5555 $163.68/ea $163.68
ML5555-LVL4ML5555-LVL4 Multi-point float switch kit, stainless steel, 4th level adder, for ML5555 $153.83/ea $153.83
ML5555-LVLS3&4ML5555-LVLS3&4 3rd & 4th Level Adder Option for ML5555 Float Switch Kit $322.32/ea $322.32
ML8888ML8888 Multi-point float switch kit, polypropylene, 2" NPT, 2 level $392.78/ea $392.78
ML8888-LVL3ML8888-LVL3 Multi-point float switch kit, polypropylene, 3rd level adder, for ML8888 $59.06/ea $59.06
ML8888-LVL4ML8888-LVL4 Multi-point float switch kit, polypropylene, 4th level adder, for ML8888 $60.21/ea $60.21
ML8888-LVLS3&4ML8888-LVLS3&4 3rd & 4th Level Adder Option for ML8888 Float Switch Kit $109.20/ea $109.20
MS4010MS4010 Miniature side mount 90 degree float switch, brass and Buna, 3/8" bulkhead, slosh shield $77.62/ea $77.62
MS4500MS4500 Miniature float switch, brass and Buna, 1/8" NPT, slosh shield $64.43/ea $64.43
MS7000MS7000 Miniature float switch, PBT and Buna, 1/8" NPT, slosh shield $32.05/ea $32.05
MS7725MS7725 Side mount float switch, PBT, slosh shield, 1/4" spade terminals $63.45/ea $63.45
MS9000MS9000 Miniature float switch, Kynar, 1/8" NPT, slosh shield $51.28/ea $51.28
MSB5600MSB5600 Float switch, stainless steel, bracket mount, 60 watt, slosh shield $163.69/ea $163.69
MSB8800MSB8800 Float switch, polypropylene,bracket mount, 60 watt, slosh shield $103.05/ea $103.05
PC-CW2PC-CW2 Hydrostatic pressure sensor, stainless steel, cage weight $180.81/ea $180.81
PC4203-005-P025PC4203-005-P025 Clog free hydrostatic pressure sensor, stainless steel and ceramic, 0-11.5 ft water column, 25 ft poly cable $565.07/ea $565.07
PC4203-010-P040PC4203-010-P040 Clog free hydrostatic pressure sensor, stainless steel and ceramic, 0-23 ft water column, 40 ft poly cable $592.81/ea $592.81
PC4203-015-P050PC4203-015-P050 Clog free hydrostatic pressure sensor, stainless steel and ceramic, 0-34 ft water column, 50 ft poly cable $611.31/ea $611.31
PH4201-005-P025PH4201-005-P025 Hydrostatic pressure sensor, titanium, 0-11.5 ft water column, 25 ft poly cable $519.87/ea $519.87
PH4201-010-P040PH4201-010-P040 Hydrostatic pressure sensor, titanium, 0-23 ft water column, 40 ft poly cable $549.66/ea $549.66
PH4201-015-P060PH4201-015-P060 Hydrostatic pressure sensor, titanium, 0-34 ft water column, 60 ft poly cable $581.51/ea $581.51
PH4201-2.5-P025PH4201-2.5-P025 Hydrostatic pressure sensor, titanium, 0 - 5.75 ft water column, 25 ft poly cable $513.69/ea $513.69
R3-100C232-ATER3-100C232-ATE Radar level sensor, 100 ft range, aluminum and Teflon, 2" NPT, DC powered, RS232 $2,293.01/ea $2,293.01
R3-100C485-ATER3-100C485-ATE Radar level sensor, 100 ft range, aluminum and Teflon, 2" NPT, DC powered, RS 485 $2,293.01/ea $2,293.01
R3-50C232-ATER3-50C232-ATE Radar level sensor, 50 ft range, aluminum and Teflon, 2" NPT, DC powered, RS232 $2,081.15/ea $2,081.15
R3-50C485-ATER3-50C485-ATE Radar level sensor, 50 ft range, aluminum and Teflon, 2" NPT, DC powered, RS 485 $2,081.15/ea $2,081.15
R4-100R2R6R4-100R2R6 Radar level sensor, Dual frequency 100 ft Range, aluminum, 2" NPT, AC powered

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R4-33R2R6R4-33R2R6 Radar level sensor, Dual frequency 33 ft Range, aluminum, 2" NPT, AC powered

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R4-50R2R6R4-50R2R6 Radar level sensor, Dual frequency 50 ft Range, aluminum, 2" NPT, AC powered

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TL4569-10358TL4569-10358 Visual level indicator, brass and Buna, 2" NPT, 17.5" total length $207.45/ea $207.45
TL4569-10359TL4569-10359 Visual level indicator, brass and Buna, 2" NPT, 22" total length $217.08/ea $217.08
TL4569-10360TL4569-10360 Visual level indicator, brass and Buna, 2" NPT, 26.5" total length $226.69/ea $226.69
TL4569-10361TL4569-10361 Visual level indicator, brass and Buna, 2" NPT, 33" total length $238.22/ea $238.22
TL4570-10362TL4570-10362 Visual level indicator, stainless steel, 2" NPT, 17.5" total length $259.83/ea $259.83
TL4570-10363TL4570-10363 Visual level indicator, stainless steel, 2" NPT, 22" total length $270.73/ea $270.73
TL4570-10364TL4570-10364 Visual level indicator, stainless steel, 2" NPT, 26.5" total length $281.66/ea $281.66
TL4570-10365TL4570-10365 Visual level indicator, stainless steel, 2" NPT, 33" total length $297.44/ea $297.44
TL4570-10366TL4570-10366 Visual level indicator, stainless steel and polypropylene, 2" NPT, 17.5" total length $234.79/ea $234.79
TL4570-10367TL4570-10367 Visual level indicator, stainless steel and polypropylene, 2" NPT, 22" total length

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TL4570-10368TL4570-10368 Visual level indicator, stainless steel and polypropylene, 2" NPT, 26.5" total length

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TL4570-10369TL4570-10369 Visual level indicator, stainless steel and polypropylene, 2" NPT, 33" total length $291.98/ea $291.98
U3M-148U3M-148 Ultrasonic Sensor, PVC, 1" NPT, 12-30 VDC, 4-20mA output, Push Button Programmable $448.28/ea $448.28
U3M-148-3/4U3M-148-3/4 Ultrasonic Sensor, PVC, 3/4" NPT, 12-30 VDC, 4-20mA output, Push Button Programmable $469.84/ea $469.84

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