Zoeller 940-0007 0.5 HP Pump with Oil Guard Switch Assembly

The Oil Smart Switch is factory calibrated and set up for immediate installation and operation. The dielectric design is extremely sensitive to variations in dielectric constant of air, water, oil and/or hydrocarbons. The Zoeller N153 Oil Guard Pump System 940 was designed to help protect the environment and equipment from the dispersion of oils and/or hydrocarbons. Applications include elevator sumps, transformer vaults and manufacturing facilities.