Our Model BN137 nonautomatic Effluent Pump is designed to remove unwanted water in sump or septic effluent applications. It is a an all cast iron pump and is ideal choice for high flow applications. The professional-grade, 1/2 HP Model 137 “Flow-Mate” 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. The Model 137’s switch case, motor housing, pump housing, and base are each constructed of cast iron. Additionally, the Model 137 is designed with a bronze vortex impeller allowing solids to pass freely through the pump. The pump’s identification tag, handle, and hardware are made of non-corrodible stainless steel. This attention to detail ensures that the Model 137 is able to withstand the most demanding high flow basement sump or septic system applications. 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.

• Oil filled for optimal heat dissipation: This design minimizes concerns about the pump overheating or breaking down due to extreme heat generation during extended-use applications
• Bronze vortex impeller to allow free passage of solids which prevents clogging and lessens downtime
• Durable, cast iron construction - switch case motor and pump housing, and base
• Powder-coated epoxy finish provides corrosion-resistance and extends the life of the pump in harsh environments
• Stainless steel screws, handle and hardware to prevent rust and corrosion
• 100% Factory Tested - every pump is submerged in water and tested at the factory to ensure that it performs as expected when you receive it
• Comes with a 3-year limited warranty giving you protection over your investment and the peace of mind you expect in a quality product