< All Topics Main Basement Defender 2.0 Support Documents Unit & Backup Pump Installation Step-by-Step Guide - 2.0 Print Unit & Backup Pump Installation Step-by-Step Guide – 2.0 UpdatedMarch 10, 2023 Basement Defender Unit Installation GuidePlease confirm your unit looks like the one below and use the link to download the Basement Defender 2.0 Installation Guide. Download Installation Guide Backup Pump Installation GuidePlease confirm your system looks like the one below and use the link to download the Basement Defender Battery Backup Pump Installation Guide. Download Installation Guide