Returned to install new battery back up system with primary pump. Started by removing old sump pump. Cleaned out sump pit from debris and rocks. After cleaning sump pit, put down new blocks for sump pump to sit on. Installed new 1/2HP sump pump with back up pump. Ran wires along with discharge line. Installed computer on the wall. Hooked up maintenance free battery. Checked for leaks and no leaks detected. 1 year labor warranty 1 year warranty on battery 3 year warranty on back up pump 5 year warranty 1/2HP Sump pump.