Vault water system

The  is an electro-mechanical system used in the Vault-Tec Vaults. This system purifies and recycles water for residents' needs. These needs include water for drinking, waste-management, and fire suppression. This system is associated with the life support system and works with it in creating a habitable environment for the residents. A major component of the water system is the water purifier. The Maintenance Department is responsible for the cleaning and maintenance of the water system. According to the Vault 101 PA System, a water system can sustain a Vault for over 900 years without failure.