12 Volts DC convenience: plugs into the 12v power supply
High pressure capability of the MCP655-B is particularly well adapted to high-flow systems using 1/2″ ID tubing
Quiet operations even at high speed thanks to new chipset controller
Quick installation with adhesive neoprene pad or permanent installation with thru-bolts
Superior Performance .

Great for water cooled Refrigeration super low power usage

Will not auto prime