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MDI mercury contactors/relays are durable and float switches and liquid level controls for water and sewage Liquid Level Control Floats
Contactors and Solid State Relays,
Tilt, Tip-over and Proximity Switches
Motion and Shock Sensors.
MDI Mercury Displacement Industries Relays, Contactors, Liquid Level Control Floats, Tilt and Tipover switches
Relay, Vertical, Liquid Level Control Floats, Tilt and Tipover switches
Float Drawings


* Float Installation * Price quote form *
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Mercury A and B Series

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Mercury C, D and E Series

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Standard Mechanical Series

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Mini-Mechanical Series

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Vertical Float Series
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Vertical Float - Standard

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Vertical Float - Optional Pipe Clamp

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DXF File format PDF File format
Twin Float Series

Outlines! (DXF) Outlines! (PDF)
DXF File format PDF File format

For Liquid Level Control Floats, Contactors and Solid State Relays, Tilt, and Tipover contact MDI TODAY!

* P. O. Box 710 * 25028 U.S. 12 East * Edwardsburg, Michigan * 49112 *
* PH. (269) 663-8574 * FX. (269) 663-2924 *
* Toll Free US and Canada (800) 634-4077 *