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Install Manual 

  • ½ HP
  • Cast-iron construction
  • Dual float switch with protective cage
  • SIT-50D: 4,400 GPH @ 0 ft.; 3,540 GPH @ 10 ft

Features:

  • 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.

 

  • BUILT TO LAST:

    The Basement Watchdog SIT series (Models SIT-33D, SIT-50D) 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.

 

  • ENERGY-EFFICIENT OPERATION:

    The sump pumps in the Basement Watchdog SIT series (Models SIT-33D, SIT-50D) save you money on your electric bills and reduce their effect on the environment. The AC sump pumps in the SIT series are engineered with eco-friendly PSC motors and dual ball bearings that together deliver industry-leading energy efficiency and savings.

 

  • RUGGED CONSTRUCTION

    The Basement Watchdog SIT series of sump pumps (Models SIT-33D, SIT-50D) are crafted completely out of cast iron with stainless-steel fasteners, making them extremely durable. They also include a built-in weephole to prevent airlock. This series has a top discharge, perfect for when space is at a premium in your sump pit.

 

  • PUMPING POWER:

    The Basement Watchdog SIT series, our most popular option, is part of our Professional line of sump pumps. The ? HP (Model SIT-33D) pumps an impressive 3,720 GPH at a 0' height (3,100 GPH at a 10' height), and the ½ HP (Model SIT-50D) moves a formidable 4,400 GPH at a 0' height (3,540 GPH at a 10' height).

 

  • DUAL FLOAT SWITCHES—TWICE THE PROTECTION:

    The Basement Watchdog SIT series (Models SIT-33D, SIT-50D) 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.

 

  • WHY THE SIT SUMP PUMP:

    The Basement Watchdog Professional SIT sump pumps, our most popular series, come in ? HP (Model SIT-33D) and ½ HP (Model SIT-50D) 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 SIT sump pumps include the top-of-the-line caged Dual Float Switch for double the protection.

½ HP
Cast-iron construction
Dual float switch with protective cage
SIT-50D: 4,400 GPH @ 0 ft.; 3,540 GPH @ 10 ft

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