Cast Iron Sump Pump – 1/3 HP (Model EFSA33)

The EFSA33 1/3 HP Cast Iron Sump Pump is a heavy‑duty, high‑reliability pump designed to provide dependable basement and crawl space water removal. Built with a durable cast iron housing, this sump pump delivers superior heat dissipation, reduced vibration, and long service life compared to thermoplastic alternatives.

Engineered for residential and light commercial applications, the EFSA33 combines solid construction with efficient pumping performance to help protect structures from water damage. Its submersible design allows for quiet operation while delivering consistent water flow during normal groundwater and stormwater conditions.

Key Features

• 1/3 Horsepower Motor
  Provides reliable pumping power for everyday sump applications.

• Cast Iron Construction
  Enhances durability, improves heat dissipation, and extends pump lifespan.

• Submersible Operation
  Designed to operate fully submerged for efficient, quiet performance.

• Automatic Water Removal
  Supports dependable operation in sump basins to help prevent flooding.

• Corrosion‑Resistant Components
  Built to withstand continuous exposure to water and damp environments.

• Stable, Heavy‑Duty Design
  Reduced vibration and movement during operation.

Product Description

The EFSA33 Cast Iron Sump Pump is designed for homeowners and professionals who require a robust and dependable water management solution. Its cast iron motor housing not only adds strength but also helps dissipate heat more effectively, supporting extended run times and improving overall motor efficiency.

This pump is ideal for installation in standard sump basins and is capable of handling routine groundwater infiltration and stormwater accumulation. The submersible design minimizes operational noise while ensuring efficient water movement, making it suitable for residential environments.

Whether used as a primary sump pump or as a replacement unit, the EFSA33 delivers consistent performance and long‑term reliability in demanding conditions.

Manufacturer Specifications

• Product Type: Submersible sump pump
• Model Number: EFSA33
• Motor Power: 1/3 horsepower
• Housing Material: Cast iron
• Installation Type: Submersible
• Operation: Automatic operation (with compatible switch configuration)
• Use Location: Indoor residential or light commercial applications
• Application: Groundwater and stormwater removal
• Design: Heavy‑duty construction for extended service life

Recommended Applications

• Basement sump pits
• Crawl space water management
• Residential flood prevention
• Light commercial water control
• Replacement of worn or aging sump pumps
• Groundwater infiltration management

Why Choose Model EFSA33

The EFSA33 1/3 HP Cast Iron Sump Pump offers enhanced durability and dependable performance in a compact, efficient design. Its cast iron construction provides strength and longevity, while its reliable pumping capability helps safeguard property from water damage. This pump is an excellent choice for users seeking long‑term reliability and solid construction in a sump pump solution.