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Model # M4300-200/90

Oil Water Interface Brass / Buna Float Switch

Full-Size .90 Specific Gravity Liquid Level Float Switch

The M4300-200/90 Oil/Water interface float switch is designed to detect waters underneath fuels or oils, or for Oil-Water separator tank applications. This brass-buna float switch provides years of dependable water interface detection in most environments. The 0.90 SG Buna-N float is designed to sink through oils or fuels to switch at the oil/water level below.

These special SG floats can also replace standard floats on other continuous sensors or multi-level float switches to monitor the oil-water interface, or to control separated fluids.


  • Oil - Water Level Detection
  • Easily extended with standard pipe to critical levels
  • .90 SG float designs can be incorporated into multi levels & continuous level sensors
  • Custom sizes available for OEMs Applications
  • Shipped Normally Closed - the Float Switch can be changed by removing the clip and flipping the float to be NO
Call for Availability & Lead Time

List Price: $166.00/ea
$250 minimum total order required. Please see our Distributor Locator for smaller orders. Quantity discounts available.

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