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Zoeller 507-0005 Battery Backup Sump Pump System - 900 GPH, Automatic Operation, 60 Hz, Includes Battery Case, Dual Check Valves & Alarm Controller Reviews

4.6 Rating 110 Reviews
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The Zoeller MPN 507-0005 Basement Sentry battery backup system delivers emergency flood protection through its 12-volt DC pump configuration paired with integrated alarm controller technology. This comprehensive package combines noncorrosive polyethylene battery housing with dual check valve protection and solid-state circuitry designed specifically for basement groundwater management during power failures. Operating at 60 Hz with automatic engagement capabilities, this battery-powered sump configuration provides secondary protection when primary AC-powered pumps fail or electrical service interrupts. The system's 900 gallons-per-hour evacuation capacity at minimal lift heights ensures continuous water removal from residential and commercial sump basins when utility voltage disappears. Engineered for compatibility with standard deep-cycle marine batteries, the 507-0005 features a self-contained 10-ampere charging circuit with overcharge protection and thermal burnout prevention. The polyethylene battery case construction resists corrosion from basement humidity while the integrated lock strap secures the power source against displacement during aggressive pumping cycles. This Zoeller battery backup configuration includes all essential components for complete installation: the 12-volt submersible pump mechanism, dedicated float switch assembly, discharge check valve, alarm control panel, and weather-resistant battery enclosure. Professional contractors recognize this model number for its field-proven reliability in effluent and clear water applications where backup protection justifies the investment in emergency pumping infrastructure. Integrated 12-Volt DC Pump Mechanism & Noncorrosive Construction Engineering The heart of the MPN 507-0005 system features a purpose-built 12-volt direct current pump motor optimized for deep-cycle battery power delivery rather than conventional household voltage. Unlike AC-powered primary sump pumps requiring 120-volt electrical service, this DC configuration draws energy directly from sealed lead-acid or absorbed glass mat batteries through 6-foot power leads terminated with marine-grade connectors. Noncorrosive materials throughout the pump housing prevent deterioration from prolonged exposure to basement moisture and groundwater minerals. The impeller assembly and volute chamber utilize engineered thermoplastics that maintain structural integrity when submerged for extended periods, eliminating the cast iron corrosion concerns associated with traditional sewage pumps. This battery-operated pump generates sufficient hydraulic pressure to lift water 10 feet vertically while maintaining the specified 900 GPH flow rate through standard 1.5-inch discharge piping. The DC motor's electrical efficiency maximizes available battery capacity, extending emergency runtime beyond what conventional inverter-based backup systems achieve with comparable amp-hour ratings. Installation into existing sump basins requires minimum pit dimensions of 18 inches diameter by 24 inches depth to accommodate both the backup pump and the primary AC unit. The compact pump footprint allows side-by-side positioning with minimal interference, while the 6-foot power cable length provides flexible mounting options within typical residential basement configurations. Solid-State Alarm Controller With Multi-Function Indicator Array The 507-0005's control panel incorporates fully solid-state circuitry that monitors battery voltage, pump operation status, and water level conditions through visual and audible alert mechanisms. This microprocessor-based controller eliminates mechanical relay failures common in older backup systems while providing real-time diagnostics accessible without specialized testing equipment. Three distinct LED indicators communicate system health at a glance: power status, pump activation, and high-water alarm

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“Great pumps with easy installation”
Helpful Report
Posted 2 years ago
“I'm a plumber and I won't try to sway you one way or the other, but just know that the weep hole not being there could cause the pump to get vapor locked and run until it burns up.”
Helpful Report
Posted 2 years ago
“It is a nice product but few parts could have come pre-installed such as the floating mechanism to the pump (pump to the T pipe shpuld have been glued pre shipping and the float to its housing that it needs a little piece that was missing from the part-only I had to wait for another one to show up to return the missing parts. Otherwise a nice product. That is the only reason fro 3 starts otherwise 4 or 5.”
Helpful Report
Posted 2 years ago
“Easy to install, provides peace of mind during power failures”
Helpful Report
Posted 2 years ago
“The instillation went fairly well except that I bought a rubber T connector to attach the pump to the exitsing sump pump discharge pipe. If I would have used the supplied T, I would not have been able to adjust the tilt required to stop an air lock in the pump. After I got everything adjusted and installed, I tested it as recomended. The pump worked as advertized, but it does not move a large ammount of water probably because of the lift required in my application, about 8 feet.Later that week I left the state on business, and when I got home the power was out and the pump was in fact running, but it was only maintaining the existing water level in the sump pump pit. If there would have been a heavy rain, I would still have flooding.All in all it did prevent basement flooding on this occasion and I am glad that i installed the system.”
Helpful Report
Posted 2 years ago
“As a backup in case primary pump fails. Easier to install if you follow enclosed plumbing schematic. I installed new primary pump at same time.”
Helpful Report
Posted 2 years ago
“Fast delivery, great service”
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Posted 2 years ago
“Delivered in less than 48 hours, works great”
Helpful Report
Posted 2 years ago