SLV Fresh Water Pump - 12 VDC - 1.0 GPM. This compact automatic demand pump offers durability and dependability making it ideal for low volume, intermittent duty applications. The SLV Pump self-primes up to 2.5 vertical feet while delivering over 1.0 GPM. A 12 volt low power consumption motor, equipped with a thermal protector and long life pressure switch rated to 30 PSI, provides high pump performance and reliability.. Features:. Single-Fixture 12 VDC. Self-Priming. Run Dry Capability. 30 PSI Shut-Off Pressure. Long Life Pressure Switch