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Top 10 Best Basement Watchdog Replacement Parts Reviews & Comparison | Updated

Visit our site to find reviews on basement watchdog replacement parts. We have the top best basement watchdog replacement parts comparison 2026 and you can make an informed decision!

That’s why we’ve taken 9250 reviews from top experts and organized them according to our rankings for you. 

Bestseller No. 1
THE BASEMENT WATCHDOG Model SIT-33D 1/3 HP 3,720 GPH at 0 ft. and 3,100 GPH at 10 ft. Cast Iron Submersible Sump Pump Top Discharge and Caged Dual Micro Reed Float Switch and Controller
  • Pumps 3,720 GPH at 0 ft lift; 3,100 GPH at 10 ft. to quickly empty the sump pit
  • 1/3 HP energy efficient, permanent split capacitor (PSC) motor saves money on your electric bills
  • Dual carbon ceramic and one Buna-N, shaft seals protect the motor from water
  • 2 Floats in a protective cage for added redundancy. Protective cage prevents debris or wires from interfering with float operation
  • Top discharge design and closely-mounted, adjustable caged dual float switch, it is ideal for use narrow sump pits
Bestseller No. 2
THE BASEMENT WATCHDOG Universal Replacement Sump Pump Float Switch (Model BWC1)
  • Compatible with most sump pumps
  • Large floats detect ¼-inch water level rises, automatically activating the sump pump
  • Second float provides a fail-safe to ensure pump activates
  • Protective float switch cage helps keep debris and wires from interfering with float movement; vented, curved bottom reduces debris buildup under the float
  • Allows the sump pump to run for an additional 10 seconds to drain excess water from the sump pit
Bestseller No. 3
Aprelco UL Listed AC-DC Adapter Charger Replacement for The Basement Watchdog DC120400 P/N: 1015003 Switching Transformer Power Supply Cord Mains PSU AC110-240V
  • Input Voltage: 100V-240V 50/60Hz
  • Safety & Durable: Level VI Energy Efficiency
  • Overvoltage and Shortcircuit protection
  • Replacement for The Basement Watchdog DC120400 P/N: 1015003 Switching Transformer Power Supply Cord Mains PSU AC110-240V
  • Cable Length: 5 Feet
Bestseller No. 4
12V AC Adapter Compatible with The Basement Watchdog Special + Connect BWSP-A Backup Controller AC1201600-1 1015001 BWSP1730 Sump Pump JAMECO ADU120160H4120 ADU120150E1012 Relaxor APC542201
  • World Wide Input Voltage 100-240VAC 50/60Hz.
  • Replacement AC Adapter/Charger ,100% Compatible with the device model listed.
  • Charger/Adapter has total 10 Ft Long power cord.
  • Safety Features: Over current protection; Total power protection; Over voltage protection; Short Circuit Protection.
  • Manufactured with the highest quality materials. Certification: FCC, CE and RoHS.
Bestseller No. 5
12V AC/AC Adapter for The Basement WATCHDOG Model: AC1201600-1 AC12016001 Part Number PARTNO. 1015001 Design No.: SSA-0990-00, BWSP1730 BWSP 1730 Gallons Hour Special Sump Pump 12VAC
  • Input Voltage 110VAC 50Hz.
  • Replacement AC Adapter/Charger ,100% Compatible with the device model listed.
  • Charger/Adapter has total 6.5 Ft Long power cord.
  • Safety Features: Over current protection; Total power protection; Over voltage protection; Short Circuit Protection.
  • Manufactured with the highest quality materials. Certification: FCC, CE and RoHS.
Bestseller No. 6
THE BASEMENT WATCHDOG Model BW-27AGM Maintenance Free (AGM) Sump Pump Battery
  • Maintenance free - no need to add battery fluid or distilled water
  • Up to 40-hour protection (based on a 10% duty cycle) on the Basement Watchdog Big Dog (BWD12-120C+)
  • Up to 48-hour protection (based on a 10% duty cycle) on the Basement Watchdog Special + (BWSP+) and Basement Watchdog Big Combination sump pump system (BW4000, CITS-50)
  • Up to 80-hour protection (based on a 10% duty cycle) on the Basement Watchdog Emergency (BWE) and Basement Watchdog Combination sump pump system (DFK961, CITE-33)
  • Runs various Basement Watchdog sump pump systems intermittently for days
Bestseller No. 7
THE BASEMENT WATCHDOG Model BWT050 ½ HP 4,100 GPH at 0 ft. and 2,770 GPH at 10 ft. Cast Iron/Cast Aluminum Submersible Sump Pump with Caged Dual Micro Reed Float Switch
  • Pumps 4,200 GPH at 0’ and 2,770 GPH output at 10’
  • Energy-efficient PSC motor draws only 3.8 amps – Saving you money on electric bills
  • Heavy Duty Cast Iron/Cast Aluminum construction
  • Dual carbon ceramic, and one Buna-N, shaft seals ensure a dry motor for longer life
  • 3 Year limited warranty
Bestseller No. 8
THE BASEMENT WATCHDOG Model BWSP 2,600 GPH at 0 ft. and 1,850 GPH at 10 ft. Special CONNECT Battery Backup Sump Pump System with WiFi-Capable 24-Hour-a-Day Monitoring Controller
  • Pumps 2,500 GPH at 0 ft. of lift and 1,730 GPH at 10 ft. of lift
  • User-friendly control panel lights up with a warning and describes what to do for easy maintenance
  • A sensor monitors battery fluid levels for increased piece of mind
  • Includes controller, charger, dual float switch, pump and battery box (battery sold separately)
  • Compact pump can be installed even in small or narrow sump pits
SaleBestseller No. 9
THE BASEMENT WATCHDOG Big Combo CONNECT Model CITS-50 ½ HP Primary and Battery Backup Sump Pump System with Smart WiFi-Capable and 24-Hour-a-Day Monitoring Controller
  • ½ HP energy-efficient Permanent Split Capacitor (PSC) primary pump can save money on your electric bills
  • Primary pump capacity 3,540 GPH at a 10 ft. lift and 4,400 GPH at 0 ft. lift. Backup system capacity 1,850 GPH at 10 ft. lift and 2,600 GPH at 0 ft. lift
  • Includes a WiFi-capable battery backup system that provides 24-hour-a-day monitoring of pump, power and battery conditions; backup controller will sound an alarm, illuminate a warning light and describe what to do for easy maintenance
  • Allows for connection to a Basement Watchdog CONNECT Module (BW-WiFi—a SEPARATE PURCHASE), giving you real-time alerts via text, email, push notification or through the Basement Watchdog free app
  • Provides days of intermittent pumping power on a single battery charge and is compatible with both maintenance-free AGM and wet-cell batteries. Connect two batteries in parallel for double the runtime.
Bestseller No. 10
12V AC/AC Adapter Compatible with The Basement WATCHDOG Model: AC1201600-1 AC12016001 Part Number PARTNO. 1015001 Design No.: SSA-0990-00, BWSP1730 BWSP 1730 Gallons Hour Special Sump Pump 12VAC
  • Brand New, High Quality Replacement AC Wall Power Charger Adapter
  • Input: AC 110V ONLY (Note: AC to AC. with AC Output, NOT DC Output)
  • Over Voltage Protection, Over Heat Protection
  • Tested Units. In Great Working Condition.

With our guide, you can find the best basement watchdog replacement parts available on the e-commerce market. We make use of Big Data and AI data to compile this list, so it is highly accurate.

The process of creating this content was challenging, but our team persevered through it to bring you the best possible results. We read user reviews and look at what buyers think about each product so that your buying experience will be satisfying.

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