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Series B-190
Liquid Level Switch-Control
Top Mounted Displacer Type, Adjustable Setpoints, Magnetic Operation, Optional Hermetically Sealed Snap Switch
 
One of our most versatile level controls, the model B-190 can be used on all types of tank or sump level control applications. Three porcelain displacers provide deadband adjustment. Unit can start a sump pump (for example) when liquid reaches the high set point and turn the pump off when the level drops to the low set point. Unit works equally well in pressurized tanks. Two stage units also available.