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Enjoy fast and free shipping on all orders over $89! Contact us (855) 424-4376

Installation

Style

Primary

GPH

4000 Gallons

Switch Type

Vertical

  • All Cast Iron Construction
  • Helps extend pump life in harsh sump conditions
  • 1/3 HP Permanent Split Capacitor (PSC) Motor
  • Energy efficient design, Uses only 5 Amps
  • Continuous Duty Rated, Water-Cooled Design
  • Easily handles even the most demanding sump applications
  • Built-In Vertical Float Switch
  • Provides reliable automatic operation
  • Cast Iron Impeller w/ Plastic Strainer
  • Helps prevent large solids from entering pump
  • 1-1/2" Discharge
  • Makes it easy to connect to existing discharge line
  • Upper & Lower Ball Bearings
  • Provides quiet operation and helps extend pump life
  • Stainless Steel Fasteners
  • Designed to minimize corrosion
  • 10' Power Cord
  • Meets the needs of residential applications


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 SI series of sump pumps (Models SI-33V, SI-50V) feature 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 SI series (Models SI-33V, SI-50V) save you money on your electric bills and reduce their effect on the environment. The SI sump pumps 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 SI series of sump pumps (Models SI-33V, SI-50V) are formed out of solid cast iron with stainless-steel fasteners. To prevent airlock and make installation easier, they also include a built-in weephole. The built-in strainer can pass ½" solids, which allows it to function as both a sump and effluent pump.

  • PUMPING POWER:

    The ? HP model (SI-33V) in the Basement Watchdog Professional SI series of sump pumps moves a substantial 4,000 GPH at a 0' height (3,200 GPH at a 10' height), and the ½ HP model (SI-50V) handles 4,300 GPH at a 0' height (3,600 GPH at a 10' height).

  • PRO-GRADE VERTICAL SWITCH:

    The Basement Watchdog SI sump pumps (Models SI-33V, SI-50V) feature a professional-grade, built-in vertical switch for years of reliable operation in sump or effluent applications.

  • WHY THE SI SUMP PUMP:

    The Basement Watchdog Professional SI series of sump pumps comes in a ? HP (SI-33V) and ½ HP (SI-50V) model with a built-in strainer that can pass up to ½" solids, allowing the pump to do double duty as a sump and effluent pump. It includes an integrated, contractor-grade, vertical float switch for reliable activation. The SI pumps are tough, versatile and can pump whatever comes their way.

Blog posts

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