4.1 Bar max operating pressure 15.1 Lpm max flow 12 Volt DC, 13.0 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, 1/2"HB & 1/2"MNPT included PART NO. EFSW4000