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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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“A simple diagram would have helped with the measurements. The backup pump should have a threaded union for easier disassembly.”
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Posted 1 year ago
“Protects the basement, 3 years and one replacement battery.”
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Posted 1 year ago
“Check valve is low quality. Otherwise provides great peace of mind to a paranoid home owner after experiencing a flood”
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Posted 1 year ago
“I have been using this battery backup system for years! It is well worth the money spent. It is reliable and operates as described.”
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Posted 1 year ago
“Bought this as a replacement for my 1997 Zoeller backup pump and was pleasantly surprised at what I received. The picture is wrong ... The charger is not the old beast but a much smaller unit with a front panel display and ablility to connect to hardware that enables texting you if you have a sump problem. Additionally the assembly for the actual pump was much easier to install than the older unit ... All in all, a great upgrade with Zoeller's excellent dependability. When your dealing with a sump pump ... Don't fool around, get a Zoeller”
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Posted 1 year ago
“Got it today. Just installed. So far its pretty great. Instructions were good enough. What I didnt know i figured out. I know its set up right and i know it works, but I have yet to have that one big test....massive Rainfall and power outage or primary pump failure. I bought this pump and a high quality marine battery so it ran me around $550 in addition to my Zoeller primary pump that is 3 years old. I had a pump fail a few years ago due to A sticky float switch and it cost me thousands to un **** my finished, carpeted basement. If you have finished basement space, you absolutely have to have a trustworthy backup system like this. Zoeller is widely respected and trusted. Ask any plumber. I highly recommend. If I had one complaint I wish it was a more compact design because by the time you get it parked right on top of a primary pump you are really close to the drain tile inlets for the sump bucket. The range of motion for the on/off switch on this pump is very short and the shut off point is well within the bucket inlet zone. I have a feeling that by the time it kicks in its gonna run continually and I kind of worry about it's ability to keep up in really heavy rain situations.”
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Posted 1 year ago
“Great product keeps my sump pump going when the power is out. Just make sure to check battery with a load on it. Just because the pump turns on doesn't mean it has the juice to pump the water.”
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Posted 1 year ago
“Provides piece of mind coverage when faced with power outages.”
Helpful Report
Posted 1 year ago