• Oil-filled motor and cast iron motor housing for optimal heat dissipation which prevents the pump from overheating
• Automatic pump with a time-tested, reliable, preset, built-in snap action switch that makes for easy installation
• Corrosion resistant engineered plastic vortex impeller to allow free passage of solids which prevents clogging and lessens downtime

The Top Choice for basement sumps, the 0.30 HP Model M53 automatic Sump Pump is designed to remove groundwater from basement sump applications. The pump comes standard with the Zoeller LED Plug that allows you to check for power at a quick glance. Backed by a 3-year warranty, this corrosion resistant pump will provide the dependability expected from a Zoeller pump. Every pump is submerged in water and tested to its published performance curve, ensuring it meets your expectations and delivers peace of mind right out of the box.