Zoeller 137-0108 Model 137 Sump Pump 0.5 HP 115V 1PH 50' Cord Automatic Manufacturers__Hydromatic Pump__Municipal__Submersible Solids Handling Pumps__S3WR/S3WRD__S3WRD__All S3WRD All of the overload relays

All of the overload relays provide unsurpassed protection by combining overload

and/or ATEX/IEX

Zoeller Model F4186 High Head Effluent Pump Features and Benefits

Acetal Impeller Provides High Efficiency Performance and Abrasion Resistance

The Oil Smart® Pump Switch is an industrial quality piggyback switch listed as UL508

Zoeller 137-0108 Model 137 Sump Pump 0.5 HP 115V 1PH 50' Cord Automatic Manufacturers__Hydromatic Pump__Municipal__Submersible Solids Handling Pumps__S3WR/S3WRD__S3WRD__All S3WRD All of the overload relaysZoeller Model 137 Sump Pump Description Our Model BN137 Sump Pump is designed to remove unwanted water in sump or septic effluent applications. The professional grade, 1 2 HP Model 137 is known for its dependability. The BN137 is a nonautomatic pump equipped with a single piggyback float switch. The piggyback float switch allows you to set the on and off point of the pump in the field. This is ideal in an application with a deep sump pit or pump tank.