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Madison Company will be closed Dec. 24th through 28th, Dec. 31st and Jan. 1st.
We will resume normal operations on Jan. 4th. Happy Holidays!

Madison Home » Fluids Sensed » Fuels and Oils

Sensors for Fuels and Oils

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Storage and measurement of fuels and oils can present very specific challenges. Water from condensate can form inside the fuel tank and cause corrosion and possible environmental hazards due to leakage. Water can be dispensed into fuel lines and damage equipment. Fuel storage itself creates a hazardous environment, requiring explosion-proof components.

Madison Company designs and provides float switches and liquid level sensors for applications such as fuel tank level indicators in both automotive and specialty vehicles, fuel cell level monitoring, fuel and oil storage, and many others. These sensors give precise indication of liquid levels across the entire range of your tank, including low level, high level, overflow, and oil/water levels.

Key features of Madison liquid level sensors and float switches for fuels and oils include:

  • Wide variety of chemically resistant materials available – 316 Stainless Steel, polypropylene and Kynar
  • Intrinsically Safe and Explosion proof products
  • Wide variety of chemically resistant materials available – 316 Stainless Steel, Buna-N, brass and PBT
  • Custom Engineered liquid level solutions for specialized applications.
  • Same day shipment for many liquid level sensors and float switches
  • Personalized service and support
Fuels and Oils Priority: 1
Model No. Image Description List Price Add to Cart
C4651-12804C4651-12804 Continuous float level sensor, stainless steel and Buna, 29.38" sensing length, for 55 gallon drums $466.90/ea $466.90
C4651-xxxxxC4651-xxxxx Continuous float level sensor, user selectable, customizable sensing length

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C4954-13454C4954-13454 Miniature continuous float level sensor, stainless steel, 10.5" sensing length $640.22/ea $640.22
C4954-13456C4954-13456 Miniature continuous float level sensor, stainless steel and Buna, 9.5" sensing length $622.00/ea $622.00
C4954-xxxxxC4954-xxxxx Miniature continuous float level sensor, user selectable, customizable sensing length

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M4010M4010 Miniature side mount 90 degree float switch, brass and Buna, 3/8" bulkhead $50.37/ea $50.37
M4168-1M4168-1 High level float switch, brass and Buna, 3/4" bung, normally open, for 55 gallon drums $119.96/ea $119.96
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 $365.01/ea $365.01
M4168-2M4168-2 Low level float switch, brass and Buna, 3/4" bung, normally closed, for 55 gallon drums $138.88/ea $138.88
M4168-3M4168-3 High and low level float switch, brass and Buna, 3/4" bung, for 55 gallon drums, fixed mount alarm $170.49/ea $170.49
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 $34.78/ea $34.78
M4300-SPDTM4300-SPDT Float switch, brass and Buna, 1/4" NPT, 25 watt SPDT $58.36/ea $58.36
M4301M4301 Float switch, brass and Buna, 1/4" NPT, 100 watt $41.39/ea $41.39
M4302-7807-1M4302-7807-1 Adjustable float switch, brass and Buna, 10.5" Max, 2" NPT $162.21/ea $162.21
M4302-7807-2M4302-7807-2 Adjustable float switch,brass and Buna, 22.5" max, 2" NPT $176.53/ea $176.53
M4302-7807-3M4302-7807-3 Adjustable float switch,brass and Buna, 34.5" max, 2" NPT $183.10/ea $183.10
M4302-7807-4M4302-7807-4 Adjustable float switch,brass and Buna, 46.5" max, 2" NPT $194.13/ea $194.13
M4302-7807-5M4302-7807-5 Adjustable float switch,brass and Buna, 58.5" max, 2" NPT $202.20/ea $202.20
M4302-7807-6M4302-7807-6 Adjustable float switch, brass and Buna, 70.5" max, 2" NPT $210.53/ea $210.53
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 $31.28/ea $31.28
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 brass, 1/4" NPT, 60 watt

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

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

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M7000M7000 Miniature float switch, PBT and Buna, 1/8" NPT $15.65/ea $15.65
M7700M7700 Side mount float switch, PBT, 1/2" x 1/2" NPT $23.17/ea $23.17
M7705M7705 Side mount float switch, PBT, 1" x 1/2" NPT, slosh shield $70.47/ea $70.47
M7725M7725 Side mount float switch, PBT, 1/2" NPT, 1/4" spade terminals $27.48/ea $27.48
M7750M7750 Side mount float switch, PBT, 1/2" NPT $24.53/ea $24.53
M7755M7755 Side mount float switch, PBT, 1" NPT, slosh shield $69.10/ea $69.10
M7790M7790 Side mount float switch, PBT, 5/8" bulkhead with silicone gasket $27.55/ea $27.55
ML4444ML4444 Multi-point float switch kit, brass and Buna, 2" NPT, 2 level $242.03/ea $242.03
ML4444-LVL3ML4444-LVL3 Multi-point float switch kit, brass and Buna, 3rd level adder, for ML4444 $77.49/ea $77.49
ML4444-LVL4ML4444-LVL4 Multi-point float switch kit, brass and Buna, 4th level adder, for ML4444 $84.21/ea $84.21
ML4444-LVLS3-4ML4444-LVLS3-4 3rd & 4th Level Adder Option for ML4444 Multi-Point Switch Kit $173.39/ea $173.39
MS4010MS4010 Miniature side mount 90 degree float switch, brass and Buna, 3/8" bulkhead, slosh shield $80.81/ea $80.81
MS4500MS4500 Miniature float switch, brass and Buna, 1/8" NPT, slosh shield $67.08/ea $67.08
MS7000MS7000 Miniature float switch, PBT and Buna, 1/8" NPT, slosh shield $33.37/ea $33.37
MS7725MS7725 Side mount float switch, PBT, 1" NPT, slosh shield, 1/4" spade terminals $66.06/ea $66.06
TL4569-10358TL4569-10358 Visual level indicator, brass and Buna, 2" NPT, 17.5" total length $215.96/ea $215.96
TL4569-10359TL4569-10359 Visual level indicator, brass and Buna, 2" NPT, 22" total length $225.99/ea $225.99
TL4569-10360TL4569-10360 Visual level indicator, brass and Buna, 2" NPT, 26.5" total length $235.99/ea $235.99
TL4569-10361TL4569-10361 Visual level indicator, brass and Buna, 2" NPT, 33" total length $247.99/ea $247.99
Fuels and Oils Priority: 2
Model No. Image Description List Price Add to Cart
M3782M3782 Submersible suspendable float switch, brass and Buna, slosh shield, 240" cable $131.62/ea $131.62
M4190M4190 Side mount heavy duty float switch, stainless steel, 100 watt, .6 SG $299.16/ea $299.16
OPT4210-P1OPT4210-P1 Optical Liquid Level Sensor, Plastic, M12x1 , Wet Sensing, 4.5-15.4 VDC $50.11/ea $50.11
OPT4210-P2OPT4210-P2 Optical Liquid Level Sensor, Plastic, M12x1, Dry Sensing, 4.5-15.4 VDC $50.11/ea $50.11
OPT4381-P1OPT4381-P1 Optical Liquid Level Sensor, Stainless Steel and Plastic , 1/2" NPT, Wet Sensing, 10-45 VDC $233.99/ea $233.99
OPT4381-P2OPT4381-P2 Optical Liquid Level Sensor, Stainless Steel and Plastic , 1/2" NPT, Dry Sensing, 10-45 VDC $233.99/ea $233.99
OPT4510-P1OPT4510-P1 Optical Liquid Level Sensor, Plastic, M10x1, Wet Sensing, 4.5 - 15.4 VDC $48.26/ea $48.26
OPT4510-P2OPT4510-P2 Optical Liquid Level Sensor, Plastic, M10x1, Dry Sensing, 4.5 - 15.4 VDC $48.25/ea $48.25
OPT4710-24P1OPT4710-24P1 Optical Liquid Level Sensor, Plastic, 1/4" NPT, Wet Sensing, 8-30 VDC $100.73/ea $100.73
OPT4710-24P2OPT4710-24P2 Optical Liquid Level Sensor, Plastic, 1/4" NPT, Dry Sensing, 8-30 VDC $100.73/ea $100.73
OPT4710-P1OPT4710-P1 Optical Liquid Level Sensor, Plastic, 1/4" NPT, Wet Sensing, 4.5-15.4 VDC $50.11/ea $50.11
OPT4710-P2OPT4710-P2 Optical Liquid Level Sensor, Plastic, 1/4" NPT, Dry Sensing, 4.5-15.4 VDC $50.10/ea $50.10

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