What is a sump pump, and why do I need one?

A sump pump is like a small, dedicated pump in your basement, called a sump pit. It's designed to remove excess water from your basement, keeping it dry and preventing flooding. A sump pump is vital for your home if your basement is prone to water infiltration, especially during heavy rains.

What are some popular brands of cast-iron sump pumps?

Some popular brands known for high-quality cast-iron sump pumps include <a href="https://www.homedepot.com/b/Plumbing-Water-Pumps-Sump-Pumps/Little-Giant/Cast-Iron/N-5yc1vZbqjxZc9dZ1z0v5mj?emt=plpfaq_2501_sumppumps" style="text-decoration: underline;">Little Giant</a>, <a href="https://www.homedepot.com/b/Plumbing-Water-Pumps-Sump-Pumps/Everbilt/Cast-Iron/N-5yc1vZbqjxZ402Z1z0v5mj?emt=plpfaq_2501_sumppumps" style="text-decoration: underline;">Everbilt</a>, and <a href="https://www.homedepot.com/b/Plumbing-Water-Pumps-Sump-Pumps/Liberty-Pumps/Cast-Iron/N-5yc1vZbqjxZh77Z1z0v5mj?emt=plpfaq_2501_sumppumps" style="text-decoration: underline;">Liberty Pumps</a>.

What horsepower do I need for my sump pump?

The horsepower rating indicates the pump's power output. A higher horsepower pump can handle more water and has a higher discharge flow rate. A <a href="https://www.homedepot.com/b/Plumbing-Water-Pumps-Sump-Pumps/1-3/N-5yc1vZbqjxZ1z20k88?emt=plpfaq_2501_sumppumps" style="text-decoration: underline;">1/3</a> to <a href="https://www.homedepot.com/b/Plumbing-Water-Pumps-Sump-Pumps/1-2/N-5yc1vZbqjxZ1z20k86?emt=plpfaq_2501_sumppumps" style="text-decoration: underline;">1/2 horsepower sump pump</a> is sufficient for most residential applications.

Cast-Iron - Sump Pumps - The Home Depot

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Everbilt
1/3 HP Cast Iron Submersible Sump Pump

(4.4 / 507)

Model# HDS30

$19800

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Expert Installation Available

Everbilt
3/10 HP Pre-Plumbed Submersible Sump Pump System

(4.4 / 47)

Model# THD1095

$44900

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Expert Installation Available

Everbilt
1/2 HP Cast Iron Submersible Sump Pump

(4.2 / 554)

Model# HDS50

$25900

Exclusive

Expert Installation Available

Everbilt
3/4 HP Pro Snap Action Submersible Sump Pump

(4.3 / 237)

Model# HDS75

$29900

Basement Watchdog
Big Combo Connect 1/2 HP Primary and Battery Backup Sump Pump System with Smart Wi-Fi Capable Monitoring Controller

(4.2 / 314)

Model# CITS-50

$41225

Basement Watchdog
Combo Pre-Assembled 1/3 HP Primary and Battery Backup Sump Pump System with 24-hour a Day Monitoring Controller

(3.8 / 101)

Model# CITE-33

$32310

Wayne
1/3 HP Cast Iron Submersible Sump Pump with Vertical Float Switch

(4.7 / 681)

Model# CDU790

$13999

New

Zoeller
1/2 HP 4800 gph Cast Iron Vertical Float Switch AC Submersible Sump Pump

Model# 4011230

$34999

Superior Pump
Pre-Assembled Emergency Backup Sump Pump System

(4.4 / 25)

Model# 92911

$45499

New

Zoeller
1/3 HP 2880 gph Cast Iron Vertical Float Switch AC Submersible Sump Pump

Model# 4003461

$24402

Top Rated

Superior Pump
1/3 HP Cast Iron/SSTL Pedestal Sump Pump

(4.6 / 263)

Model# 92301

$11725

Little Giant
WRSC-6 Compact Drainosaur 0.3 HP Water Removal Pump System

(4 / 36)

Model# 506065

$26634

Cast-Iron Sump Pumps

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Department

Review Rating

Brand

Superior Pump

LEO

Zoeller

K2

Basement Watchdog

Everbilt

Liberty Pumps

Little Giant

ECO FLO

Wayne

PumpSpy

Price

$50 - $100

$100 - $150

$150 - $200

$200 - $250

$250 - $300

$300 - $400

$400 - $500

$500 - $600

$1000 - $2000

$2000 - $3000

Discharge Flow @ 0 ft. (gallons/hour)

Less Than 100

500 - 1500

1500 - 3000

3000 - 4000

4000 - 5000

5000 - 7000

Impeller Material

Stainless Steel

Thermoplastic

Plastic

Cast Iron

Non-clogging Vortex

Nylon

cast iron

ABS

Engineered Polymer

HT200

Non-clogging Multi-vane

Rubber

VORTEX ENGINEERED POLYMER

reinforced poly carbonate

Voltage

12v

115v

120v

Housing Material

Stainless steel

Cast-Iron

Thermoplastic

Aluminum

Other

Steel

Copper

Maximum Horsepower (hp)

1/3

1/2

1/4

1/6

3/4

3/10

Everbilt 1/3 HP Cast Iron Submersible Sump Pump

Everbilt 3/10 HP Pre-Plumbed Submersible Sump Pump System

Everbilt 1/2 HP Cast Iron Submersible Sump Pump

Everbilt 3/4 HP Pro Snap Action Submersible Sump Pump

Basement Watchdog Big Combo Connect 1/2 HP Primary and Battery Backup Sump Pump System with Smart Wi-Fi Capable Monitoring Controller

Basement Watchdog Combo Pre-Assembled 1/3 HP Primary and Battery Backup Sump Pump System with 24-hour a Day Monitoring Controller

Wayne 1/3 HP Cast Iron Submersible Sump Pump with Vertical Float Switch

Zoeller 1/2 HP 4800 gph Cast Iron Vertical Float Switch AC Submersible Sump Pump

Superior Pump Pre-Assembled Emergency Backup Sump Pump System

Everbilt
1/3 HP Cast Iron Submersible Sump Pump

Everbilt
3/10 HP Pre-Plumbed Submersible Sump Pump System

Everbilt
1/2 HP Cast Iron Submersible Sump Pump

Everbilt
3/4 HP Pro Snap Action Submersible Sump Pump

Basement Watchdog
Big Combo Connect 1/2 HP Primary and Battery Backup Sump Pump System with Smart Wi-Fi Capable Monitoring Controller

Basement Watchdog
Combo Pre-Assembled 1/3 HP Primary and Battery Backup Sump Pump System with 24-hour a Day Monitoring Controller

Wayne
1/3 HP Cast Iron Submersible Sump Pump with Vertical Float Switch

Zoeller
1/2 HP 4800 gph Cast Iron Vertical Float Switch AC Submersible Sump Pump

Superior Pump
Pre-Assembled Emergency Backup Sump Pump System

Zoeller
1/3 HP 2880 gph Cast Iron Vertical Float Switch AC Submersible Sump Pump

Superior Pump
1/3 HP Cast Iron/SSTL Pedestal Sump Pump

Little Giant
WRSC-6 Compact Drainosaur 0.3 HP Water Removal Pump System