Offered for single or multiple outlet applications, these workhorse pumps have a dependable five-chamber design. Compared to three or four chamber pumps, five chambers coupled with cushioned mounting feet results in lower motor speeds, quieter operation and reduced pulsation. Pumps can run dry without damage and come with of snap-fit ports to accommodate most hose/fitting combinations. Pumps meet ISO 8846 standard for ignition protection. Switch Type: 41psi Material: Polypropylene body, Polymid valve housing, Santoprene diaphragm, EPDM valves Port Sizes: For 2.4: Quick-connect fittings for 3/8" NPT, 1/2" hose, 1/2"-14 NPSM For 3.5: Quick-connect fittings for 3/8" NPT, 1/2" hose; 1/2"NPT, 3/4" hose; 1/2"-14 NPSM Draw: 7A Fuse: 10A Warranty: Three years