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Basement Watchdog Big Combo Battery Backup Sump Pump System vs Wayne WSS30V Sump Pump System

The Basement Watchdog Big Combo is the better pick for most basements: its primary pump moves more water at real lift heights, it fits a 12-inch pit, and it has two sets of dual float switches plus optional phone alerts. The Wayne WSS30V is a solid cast-iron alternative with a tougher epoxy-coated backup pump and adjustable backup float, but it needs a wider pit and its backup is smaller. Owners of both report years of service when the battery is kept fresh; the Watchdog's electronics and CONNECT module draw more complaints about setup than the pumps themselves.

  • Choose the Basement Watchdog Big Combo if your pit is narrow, you want remote alerts, or you want the strongest primary pump at high lift.
  • Choose the Wayne WSS30V if you have a 15-inch or larger pit and prefer a simpler all-cast-iron build with an adjustable backup float.

Prices

  • Basement Watchdog Big Combo Battery Backup Sump Pump System: $460.32 at Amazon (checked today)
  • Wayne WSS30V Sump Pump System: $549.99 at Amazon (checked today)
  • Difference: the Basement Watchdog Big Combo Battery Backup Sump Pump System is $89.67 cheaper than the Wayne WSS30V Sump Pump System today
Basement Watchdog
Basement Watchdog Big Combo Battery Backup Sump Pump System

Basement Watchdog Big Combo Battery Backup Sump Pump System

$460.32at AmazonChecked 3 h ago
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Pros
  • High primary flow holds up at 10 ft of lift
  • Fits pits as small as 12 inches
  • Remote text and email alerts through CONNECT
  • Two sets of dual floats and a debris cage
  • Battery fluid sensor warns before failure
Cons
  • WiFi module sold separately
  • Controller and alert setup frustrates some owners
  • Polymer impeller and housing feel less rugged than all-cast iron
Wayne
Wayne WSS30V Pre-Assembled Battery Backup Sump Pump System

Wayne WSS30V Sump Pump System

Wayne WSS30V Pre-Assembled Battery Backup Sump Pump System

4.7(9 ratings)
$549.99at AmazonChecked 3 h ago
See all prices and details
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Store links may earn us a commission. As an Amazon Associate, Deal.ai earns from qualifying purchases.

Pros
  • Cast-iron primary and epoxy-coated cast-iron backup
  • Adjustable backup float sets the trigger height
  • Two check valves in the box
  • Pre-assembled and preset for quick install
  • Simple controls with fewer electronics to fail
Cons
  • Needs a 15-inch pit
  • Backup pump is smaller at lift
  • No remote alerts or battery fluid sensor

What separates them

Basement Watchdog Big Combo Battery Backup Sump Pump SystemWayne WSS30V Sump Pump System
Primary flow at 10 ft lift3,540 GPHLower; rated 3,300 GPH max at 0 ft
Backup pump flow1,850 GPH at 10 ft lift2,700 GPH at 0 ft, less at lift
Minimum sump pit12 inches15 inches
Backup pump constructionEngineered polymer and cast materialsEpoxy-coated steel and cast iron
Float switchesTwo sets of dual floats, caged primary switchVertical primary float, adjustable reed backup float
AlertsCONNECT module sends text or email; data port names the alarmLocal alarm only
Battery monitoringFluid sensor with special battery capNo fluid sensor
Included accessoriesPump, controller, charger, floatsTwo heavy-duty check valves included

Price history

  • Basement Watchdog Big Combo Battery Backup Sump Pump System: lowest $460.32 on Nov 12 at Amazon.
  • Wayne WSS30V Sump Pump System: lowest $549.99 on Nov 12 at Amazon.

Prices at every store

Basement Watchdog Big Combo Battery Backup Sump Pump System

  • 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 3 h ago
    Visit Walmart
  • The Home DepotNew

    In stock

    $469.00Free shippingChecked 1 h ago
    Visit The Home Depot
  • Lowe'sNew

    In stock

    $469.00Free shippingChecked 1 h ago
    Visit Lowe's
  • AmazonNew

    Availability unknown

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

    $460.32Free shippingChecked 3 h ago
    Visit Amazon

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

All 9 stores and price history →

Wayne WSS30V Sump Pump System

  • WalmartNew

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

    $589.98Free shippingChecked 1 h ago
    Visit Walmart
  • eBayNew

    In stockSold by sell_blocker

    $722.79Free shippingChecked 3 h ago
    Visit eBay
  • nextronyNew

    In stock

    $824.99Free shippingChecked 3 h ago
    Visit nextrony
  • AmazonNew

    Availability unknown

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

    $549.99Free shippingChecked 3 h ago
    Visit Amazon

Store links may earn us a commission.

All 6 stores and price history →

Specs compared

SpecBasement Watchdog Big Combo Battery Backup Sump Pump SystemWayne WSS30V Sump Pump System
Pump TypeSump pump systemSump Pump System
Product TypeSump Pump SystemCombination Primary & Battery Backup Sump Pump …
Maximum Flow Rate4400 gph (maximum discharge flow)3300 gal/hr
Electrical Voltage100 Volts120 VOLT (PRIMARY PUMP CDU800)
Power Horsepower1/2 hp1/2 HP
Power SourceBatteryBattery
Power Voltage100 Volts120 VOLT (PRIMARY PUMP CDU800)
Dimensions Diameter12-Inch (fits in pits as small as)15 in. (minimum sump pit diameter)
Control MethodAutomaticAutomatic
Material TypeCast ironCast iron (primary pump)
Housing MaterialAluminiumCast iron (primary pump)
Included ComponentsPumpPrimary & Battery Backup Sump Pump System
Show all 35 specsShow fewer specs
SpecBasement Watchdog Big Combo Battery Backup Sump Pump SystemWayne WSS30V Sump Pump System
Maximum Head10 ft. lift (primary pump)—
Application UsePumping power—
Intended UsePumping—
Power Amperage4.2 amps—
Dimensions SizeCompact—
Dimensions Depth11 IND—
Dimensions Height21 IND—
Dimensions Length11—
Dimensions Width17 IND—
Capacity Volume

Questions and answers

Which handles a power outage better?
Both run the backup on a 12-volt battery. The Watchdog's backup moves more water at 10 ft of lift, so it drains a deep pit faster. The Wayne's cast-iron backup is tougher but smaller.
Which is easier to install?
Both come pre-assembled. The Watchdog fits a 12-inch pit, so it drops into more existing pits. The Wayne needs a 15-inch pit and includes two check valves.
Do I get phone alerts with either?
Only the Watchdog, and only with the separate WiFi module. The Wayne alarms locally at the unit.
Which lasts longer?
The Wayne's all-cast-iron backup pump is the more durable build. The Watchdog's primary pump is strong, but its controller and battery sensor are the parts owners most often replace.
Is the Watchdog worth stepping up to?
Yes if your pit is narrow or you want alerts and a stronger high-lift primary. If your pit is wide and you want fewer electronics, the Wayne is the simpler long-term choice.

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  • Zoeller 507 Aquanot Fit Battery Backup Sump Pump System vs Wayne WSS30V Pre-Assembled Battery Backup Sump Pump System

Buying guides that pick them

  • Best battery backup sump pump systems for basements
1,850 GPH (Backup system)
—
Compatible WithMaintenance-free AGM batteries—
Impeller MaterialEngineered Polymer—
Corrosion Resistance—Corrosion-resistant
Required Components—Sump basins (15 in. diameter or larger)
Installation Type—Pre-Assembled
Typical Users—UNISEX, ADULT
System Configuration—Combination Primary & Battery Backup Sump Pump …
Included Accessories—(2) Heavy-duty check valves
Adjustable Settings—Reed float switch is user adjustable (BACK-UP P…
Key Technologies—Vertical float switch for automatic operation, …
Design Highlights—Pre-Assembled
color—Multicolor
size—17.7" x 24.1" x 18.9"