Quicklub QLS 301 Electric Grease Pump Bottom Valve 120 VAC (SSV8)Lincoln Quicklub QLS 301 Grease Bottom Valve 120 Volt AC SSV8 The QLS 301 has standard features like a built in controller with LED display and keypad for easy programming and system cycle monitoring, a built in low level control and remote monitoring capability. Same as QLS 401 except it has a spring loaded follower allowing for mounting pump horizontally Uses NLGI #2 grease Works between 10F and 158F allowing operation in many environments Model No.