DSR "0" fuel pump. At the beginning of 2014 season pump was sent to DSR for flow testing and have it looked at. 23 nights on the pump. Flow is RPM 1800, PSI 50, GPM 1.86. Great unit has given us no troubles. Always sent to DSR for maintenance, $275 obo. Free shipping, or I can bring it to the chili bowl. Call or text 920-287-9438. Or PM me.