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  • Level Controls & Panels
    • Mercury Hg Floats
      • Mini Pilot Duty | Control Floats
      • Pilot Duty | Control Floats
      • Pump Duty Intermediate Angle Floats
      • Pump Duty Wide Angle Floats
      • Foam-Filled Mercury Sewage Floats
    • Mechanical Floats
      • Mini Floats
      • Pump Duty Wide Angle Floats
      • Pump Duty Narrow Angle Floats
      • Heavy Duty Floats
      • Pilot Duty | Control Floats
      • Internally Weighted | Tetherless Floats
      • Gold Plated Contact Floats
      • High Amp - 25 AMP Floats
      • High Temperature Floats
    • Avocado Mercury Floats
      • Avocado Pilot Duty | Control Floats
      • Avocado Pump Duty Wide Angle Floats
      • Avocado Internally Weighted | Tetherless Floats
    • Avocado Float Switches
      • Avocado Pump Duty Wide Angle Float
      • Avocado Pump Duty Narrow Angle Float
      • Avocado Heavy Duty Float
      • Avocado Pilot Duty | Control Floats
      • Avocado Internally Weighted | Tetherless Floats
      • Avocado Gold Plated Contact Floats
      • Avocado High Amp - 25 AMP Floats
      • Avocado High Temperature Float
      • Avocado Floats DPST | DPDT
    • Avocado Double Float Switch
    • Optical Float®
    • Vertical Switch
    • Stainless Steel Floats
    • Ultrasonic Leveling
    • Pressure Controls
    • Panels & Alarms
    • Float Accessories
    • Installation Guides
      • Float Installation Guide
      • Alarm Installation Guide
  • Pumps & Basins
    • Basin Packages
    • Septic & Pump Tanks
    • Grinder Pumps & Retrofits
      • Grinder Pumps
      • Retrofits
    • Non-Clog Pumps
    • Shredder Pumps
    • Effluent, Sump & Sewage
      • Effluent Pumps
      • Sump Pumps
      • Sewage Pumps
    • Miscellaneous Accessories
      • Base Elbows
      • Lift-Out Flanges
      • Chains & Components
      • Basin Accessories
      • Guide Brackets
      • Pump & Piping Components
    • Pump Repair
      • General Information
      • Preventive Maintenance
      • Sump and Sewage Pump Repair
      • Well Pump Pump Repair
      • Sprinkler and Irrigation Pump Repair
      • Grinder Pump Repair
      • Cutter | Chopper | Shredder Repair
  • Solid State Relays
    • Single Pole SSR Series
      • Economy Grade
      • Commercial Grade
    • HPR Series
      • Economy Grade
      • Commercial Grade
    • HPRs for DC Loads
    • 2 & 3 Pole Series
      • Mercury Free 35A, 60A & 100A Retrofit
      • 2 Pole Series
      • 3 Pole Series
    • Misc. Solid State
      • Switching Power Supply
      • Heater Burnout Relays
      • Temperature Controller
      • Fuses
  • Switches
    • Tilt Switches
      • Mercury Free Switches
      • Mercury Switches
    • Damper Arm Tilt Switch
      • Mercury Free Switches
      • Mercury Switches
    • Tip-Over Switches
      • Mercury Free Switches
      • Mercury Switches
    • Limit Switch
    • Clamps & Clips
  • Mercury Relays
    • Single Pole Relays | Contactors
      • Single Pole 30 AMP
      • Single Pole 35 AMP
      • Single Pole 35 AMP T-Top
      • Single Pole 60 AMP
      • Single Pole 100 AMP
    • Two Pole Relays | Contactors
      • Two Pole 30 AMP
      • Two Pole 35 AMP
      • Two Pole 35 AMP T-Top
      • Two Pole 60 AMP
      • Two Pole 100 AMP
    • Three Pole Relays | Contactors
      • Three Pole 30 AMP
      • Three Pole 35 AMP
      • Three Pole 35 AMP T-Top
      • Three Pole 60 AMP
      • Three Pole 100 AMP
    • Four Pole Relays | Contactors
      • Four Pole 35 AMP
      • Four Pole 60 AMP
      • Four Pole 100 AMP
    • Information & Restrictions
    • Miscellaneous Products
      • Miscellaneous Products
      • Fuses
  • Non-Mercury Relays
    • MIDI Relays 3-Pole (IEC Contactors)
    • Definite Purpose Relays
    • Fuses
Home Store Products by Manufacturer
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Store Products by Manufacturer

Store Products (Comus Switches)
Store Products (Comus Switches)
Store Products (Contegra Switches)
Store Products (Contegra Switches)
Store Products (Optical Float®)
Store Products (Optical Float®)
Store Products (Mercoid by Dwyer)
Store Products (Mercoid by Dwyer)
Store Products (SPI)
Store Products (SPI)
Store Products (Flo Pro)
Store Products (Flo Pro)
Store Products (AK Industries, Inc.)
Store Products (AK Industries, Inc.)
Store Products (Champion Pump)
Store Products (Champion Pump)
Store Products (BJM Pump)
Store Products (BJM Pump)
Store Products (Keen Pump)
Store Products (Keen Pump)
Store Products (MDI Sewage)
Store Products (MDI Sewage)
Store Products (MDI Electrical)
Store Products (MDI Electrical)
Store Products (Carlo Gavazzi)
Store Products (Carlo Gavazzi)
Store Products (Crydom)
Store Products (Crydom)
Store Products (Love by Dwyer)
Store Products (Love by Dwyer)
Store Products (Mersen Fuses)
Store Products (Mersen Fuses)

Contact Us

Phone: (269) 663-8574
Toll Free: (800) 634-4077
Contact Us

Locate Us

MDI Inc.
P.O. Box 710
25028 U.S. 12 East
Edwardsburg, Michigan 49112

Information

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