Call Us: (800) 634-4077
Click-to-call
  • Contact & Quotes
    • Contact Us
    • Relay Quote Form
    • Mercury Timers Quote
    • Solid State Relay Quote
    • Float Quote Form
    • Vertical Switch Quote
    • Double Floats Quote
    • Non-Clog Quote
    • Switch Quote
  • Disposal Info & FAQs
    • Return Forms
    • Relay Disposal and SDS
    • FAQs
    • Links
    • Site Map
    • Store Policies
  • Our Company
  • Catalog
MDI WasteWater & Liquid Level Controls Logo
Login | Register
(0)
View Cart Checkout
Like us on Facebook!
Like us on Facebook!
  • Mercury Relays
    • Relay Information
    • Relays or Contactors
      • Single Pole Relays | Contactors
      • Two Pole Relays | Contactors
      • Three Pole Relays | Contactors
      • Four Pole Relays | Contactors
    • Traffic Control Relay
    • Mercury Timers
    • ETO Hybrid Timer
    • Spill Kit (SP-1149)
    • Temperature Controller
  • Non-Mercury Relays
    • Definite Purpose Relays
    • Magnetic 3-Pole Midi Contactor
    • MOV (Metal Oxide Varistors)
  • Solid State
    • Single Pole SSR Series
      • Economy Grade
      • Commercial Grade
    • 2 & 3 Pole Series
    • 3-Pole (Mercury Free Retrofit)
    • HPR Series
      • Economy Grade
      • Commercial Grade
    • Switching Power Supply
    • Heater Burnout Relays
    • Temperature Controller
  • Switches
    • Tilt Switches
    • Damper Arm Tilt Switch
    • Tip-Over Switches
    • Limit Switch
    • Clamps & Clips
  • Level & Pressure Controls
    • Mercury Hg Floats
    • Mechanical Floats
      • Pump Duty Wide Angle Floats (1/2 HP)
      • Pump Duty Narrow Angle Floats (1/2 HP)
      • Heavy Duty Floats (1HP - 2HP)
      • Pilot Duty | Control Floats
      • Internally Weighted | Tetherless Floats
      • Intrinsically Safe Floats Gold Plated
      • High Amp - 25 AMP Floats
      • High Temperature Floats
      • Mini Floats SPST | SPDT | DPST | DPDT
    • Avocado Float Switches
      • Avocado Mercury Floats
      • Avocado Pump Duty Wide Angle Float (1/2 HP)
      • Avocado Pump Duty Narrow Angle Float (1/2 HP)
      • Avocado Heavy Duty Float (1HP - 2HP)
      • Avocado Pilot Duty | Control Floats
      • Avocado Internally Weighted | Tetherless Floats
      • Avocado Intrinsically Safe GP Floats
      • Avocado High Amp - 25 AMP Floats
      • Avocado High Temperature Float
      • Avocado Floats DPST | DPDT
      • Avocado Double Float Switch
    • Avocado Double Float Switch
    • Vertical Switch
      • 1/2 HP 13 AMP Float
      • 1 HP & 2 HP 15 AMP Float
    • Mercury Sewage Floats
    • Optical Float ®
      • Optical Float® Original Floats
      • Optical Float® Mini Floats
      • Opti-Float® Accessories
      • Opti-Float® FAQ
    • Stainless Steel Floats
      • Float Switch
      • Vertical Floats
    • Float Accessories
      • Float Trees
      • Sway Rings
      • Tether Clamps
      • Weight Kits
      • GFCI Receptacles
      • Switching Cord Sets
    • Ultrasonic Leveling and Accessories
      • Ultrasonic Level Sensor
      • Ultrasonic Level Transmitter
      • Ultrasonic Level Accessories
    • Pressure Transducers
      • Sewage & Sludge
      • Ground Water & Wells
    • Pressure Transmitter
    • Pressure Switch
    • Tank Alarms (High Water Alarm)
      • Indoor Tank Alarm (High Water Alarm)
      • Outdoor Tank Alarm (High Water Alarm)
      • Installation Guide
    • Pump Controllers
    • Control Panels
    • Installation Guide
  • Pumps & Basins
    • Basin Packages
      • Fiberglass Basins
      • Complete Simplex Basin Packages
      • Complete Duplex Basin Packages
      • Custom Basin Packages
    • Guide Rail Systems & Accessories
      • Base Elbow Rail Systems
      • Lift-Out Flange
      • Stainless Steel Pump Adapter
      • Guide Rail Brackets
      • Chain & Components
      • Miscellaneous Accessories
      • Gravity Flow Effluent Filter
    • Grinder Pumps
    • Grinder Pump Retrofits
      • ABS Retrofit
      • Barnes Retrofits
      • E/One® Retrofit
    • Shredder Pumps
    • Non-Clog Pumps & Accessories
      • Recessed Impeller - 3 & 4 Inch Discharge
      • 2-Vane Enclosed Impeller - 3 & 4 Inch Dis.
      • 2-Vane Enclosed Impeller - 4 to 14 Inch Dis.
      • Accessories
    • Effluent, Sump & Sewage
      • Effluent Pumps
      • Sump Pumps
      • Sewage Pumps
    • Sprinkler Pump
  • 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

Contact Us

MDI Inc.
P.O. Box 710
25028 U.S. 12 East
Edwardsburg, Michigan 49112
Phone: (269) 663-8574
Toll Free US and Canada: (800) 634-4077
Fax: (269) 663-2924

Information

Contact & Quotes
Forms & FAQs
Catalog
Our Company
Store Policies
M D I, Controls, Control Sys & Regulators, Edwardsburg, MI

© Copyright 2017, MDI Inc. All Rights Reserved