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Basement Watchdog
Basement Watchdog Big Combo Battery Backup Sump Pump System

Basement Watchdog Big Combo Battery Backup Sump Pump System

Best price now

$460.32at AmazonChecked 59 min ago

Compared across 9 stores. Prices are checked against each store and labelled with when. Store links may earn us a commission. As an Amazon Associate, Deal.ai earns from qualifying purchases.

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Price facts

  • Lowest price today: $460.32 at Amazon (checked Nov 12, 2026).
  • Checked at 9 stores.

Basement Watchdog Big Combo Battery Backup Sump Pump System prices at every store

  • WalmartNew

    In stockSold by The Factory DepotReturns: Sold by a Walmart Marketplace seller; returns go to the seller under the seller's returns policy.

    $467.17Free shippingChecked 58 min ago
    Visit Walmart
  • The Home DepotNew

    In stock

    $469.00Free shippingChecked 58 min ago
    Visit The Home Depot
  • Lowe'sNew

    In stock

    $469.00Free shippingChecked 58 min ago
    Visit Lowe's
  • Blain's Farm & FleetNew

    In stock

    $469.99Checked 58 min ago
    Visit Blain's Farm & Fleet
  • Ace HardwareNew

    In stock

    $469.99Free shippingChecked 58 min ago
    Visit Ace Hardware
  • Toolbox SupplyNew

    In stock

    $477.40Free shippingChecked 59 min ago
    Visit Toolbox Supply
  • ZoroNew

    In stock

    $652.99Free shippingChecked 59 min ago
    Visit Zoro
  • AmazonNew

    Availability unknown

    As an Amazon Associate, Deal.ai earns from qualifying purchases.

    $460.32Free shippingChecked 59 min ago
    Visit Amazon
  • Max WarehouseOpen box

    Out of stock

    $255.24+ $14.40 shippingChecked 59 min ago
    Visit Max Warehouse

Store links may earn us a commission. Some prices via Klarna.

Basement Watchdog Big Combo Battery Backup Sump Pump System price history

Lowest price we've seen: $460.32 on Nov 12 at Amazon. Tracked across 7 stores since Nov 12.

From Toolbox Supply

  • Combined primary and battery backup sump pump in one compact system
  • Pre-assembled for easy do-it-yourself installation
  • Primary pump: 4,400 GPH at 0 ft lift (3,540 GPH at 10 ft lift)
  • Fits in sump pits as small as 12 inches
  • CONNECT module sends alerts to smartphone, tablet or computer; WiFi compatible with Basement Watchdog WiFi Module
  • Data Port alerts to the exact alarm occurring and possible solution
Materials
Primary pump: cast iron / cast aluminum
Fit
Compact design fits in sump pits as small as 12 inches
Returns
Returns accepted within 30 days by mail; return shipping is paid by the customer
Shipping
Shipping calculated at checkout; usually ships within 24 hours; ships within the contiguous United States
In the box
Controller, Charger, Two dual micro reed float switches, Primary pump, Backup pump, Instruction manual

About the Basement Watchdog Big Combo Battery Backup Sump Pump System

Combined primary and backup pump in one compact system. Pre-assembled for easy installation. Primary pump: 4,400 GPH @ 0ft. lift (3,540 GPH @ 10ft. lift). Backup pump: 2,500 GPH @ 0ft. lift (1,850 GPH @ 10ft lift). Compact design, easy to Install. Energy Efficient: High Performance PSC motor. 2 sets of dual float switches. Protective cage on primary switch keeps debris from blockage. Remote Notification: Receive alerts away from home. CONNECT Module sends alerts to smartphone/ tablet/ computer. WiFi CONNECT compatibility with Basement Watchdog WiFi Module. Data Port alerts to exact alarm occurring and possible solution. Backup activates if water level overwhelms the primary pump. Includes special battery cap to accommodate battery fluid sensor. Sensor monitors battery fluid levels for added protection. AC powered primary pump operates when power is available.

1/2 Horsepower

Pre-assembled combined primary and battery backup system

Primary Pump: 4,400 GPH at 0’ (3,540 GPH at 10')

Backup Pump: 2,600 GPH @ 0' (1,850 GPH @ 10')

Compact Design: Fits in sump pits as small as 12”

Easy to Install: Simple Do-It-Yourself

Primary Pump: Cast Iron / Cast Aluminum

Energy Efficient: High Performance PSC motor

Automatically Activates

2 sets of dual float switches: Provides 4X the protection

Protective cage on primary switch keeps debris from blockage

Remote Notification: Receive alerts away from home

Basement Watchdog CONNECT modules send alerts: text or email

Connection Flexibility: Connect w/ Data Port or Remote Terminal

CONNECT Module sends alerts to smartphone/ tablet/ computer

WiFi CONNECT compatibility with Basement Watchdog WiFi Module

Data Port alerts to exact alarm occurring and possible solution

Remote Terminal alerts to a problem or needed maintenance

Connects to home security system or other dry contact device

Backup activates if water level overwhelms the primary pump

User-friendly Special controller – Audible/visual alarm and solution

Controller monitors battery, power and pump activity

Includes special battery cap to accommodate battery fluid sensor

Specifications

Pump Type
Sump pump system
Product Type
Sump Pump System
Maximum Flow Rate
4400 gph (maximum discharge flow)
Maximum Head
10 ft. lift (primary pump)
Application Use
Pumping power
Electrical Voltage
100 Volts
Intended Use
Pumping

Questions and answers

Where is the Basement Watchdog Big Combo Battery Backup Sump Pump System cheapest?
At Amazon, for $460.32, as of our latest check.
Where can I buy the Basement Watchdog Big Combo Battery Backup Sump Pump System?
9 stores we checked sell it, including Walmart, The Home Depot, Lowe's, Blain's Farm & Fleet, Ace Hardware.

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Stores we've priced the Basement Watchdog Big Combo Battery Backup Sump Pump System at

  • Ace Hardware deals and prices
  • Blain's Farm & Fleet deals and prices
  • Home Depot deals and prices
  • Lowe's deals and prices
  • Zoro deals and prices
Power Horsepower
1/2 hp
Power Source
Battery
Power Voltage
100 Volts
Power Amperage
4.2 amps
Dimensions Size
Compact
Dimensions Depth
11 IND
Dimensions Diameter
12-Inch (fits in pits as small as)
Dimensions Height
21 IND
Dimensions Length
11
Dimensions Width
17 IND
Capacity Volume
1,850 GPH (Backup system)
Compatible With
Maintenance-free AGM batteries
Control Method
Automatic
Material Type
Cast iron
Housing Material
Aluminium
Impeller Material
Engineered Polymer
Included Components
Pump