Features of The Basement Watchdog BWT Series of Primary Sump Pumps Built to Last The Basement Watchdog BWT series (Models BWT050, BWT075) features an energy-saving, Permanent Split Capacitor (PSC) motor that has carbon/ceramic shaft seals and thermal protection to safeguard the motor. The upper and lower ball bearings ensure the pump runs quietly and extend its life. Rugged Construction The Basement Watchdog BWT series of sump pumps (Models BWT050, BWT075) are built with a cast-iron volute for strength and an aluminum body for quicker, more effective cooling, which extends the life of the pump. Energy-Efficient Operation The sump pumps in the Basement Watchdog BWT series (Models BWT050, BWT075) save you money on your electric bills and reduce their effect on the environment. The AC sump pumps in the BWT series are engineered with PSC motors and dual ball bearings that together deliver industry-leading energy efficiency and savings. Dual Float Switches—Twice the Protection The Basement Watchdog BWT series (Models BWT050, BWT075) features a caged, micro-reed Dual Float Switch. We introduced this technology, proven reliable in other uses for over 50 years, to the pump industry and improved it by including two floats. Simply stated: if one is good, two is better. Pumping Power The ½ HP (Model BWT050) in the Basement Watchdog BWT series of sump pumps moves an impressive 4,100 GPH at a 0' height (2,770 GPH at a 10' height), and the ¾ HP (Model BWT075) handles 5,300 GPH at a 0' height (3,630 GPH at a 10' height). Why the BWT Sump Pump The Basement Watchdog Professional BWT sump pumps, our most popular series, come in ⅓ HP and ½ HP and models with a top discharge so the pump easily fits into narrow pits. These rugged pumps have a cast-iron body and stainless-steel fasteners to prevent pump corrosion. The BWT sump pumps include the top-of-the-line caged Dual Float Switch for double the protection. 30+ Years Protecting Basements The Basement Watchdog has been protecting homes for over 30 years and continues to be a market leader. We build the most dependable, user-friendly pumps in the industry using intelligent design, premium components, and quality manufacturing practices that include thoroughly testing every single unit.