4.1 Bar max operating pressure 20.8 Lpm max flow 12 Volt DC, 17.0 Amps Viton check valve Santoprene diaphragm Designed for Softwash & bleach applications Self-priming up to 2.4m Integrated pressure/demand switch Polypropylene housing Honeywell microswitch "Motor Shield" leak detection system 19mm QC ports, 3/4"HB & 1/2"MNPT included PART NO. EFSW5500