Battery Backup / Sentries

Battery Backup Sentries are automatic emergency battery backups for pellet stoves, gas heaters, kerosene heaters, and water circulation pumps. Pump Sentry Battery Back Ups are fully automatic, clean, instant battery backups for Sump Pump and submersible pumps. Protect against power failure to basement pumps with simple-to-implement Pump Sentry Battery Back Up.
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