Restore precise temperature control with this replacement part for Franz Viegener 3/4" Thermostatic Cartridge (FV217.BASE). Designed for reliable performance and smooth water regulation, it ensures consistent shower comfort and easy operation. Built with durable materials for long-lasting use, this cartridge provides a secure fit and dependable function for Franz Viegener thermostatic shower systems. Replacment Franz Viegener 3/4 Thermostatic cartridge  from the FV217.BASE