Ensure lasting performance with this replacement part for Sigma Simply Safe Thermostatic Cartridge 18.30.155, featuring an all-brass construction for superior durability. Designed for accurate temperature control and smooth water flow, this cartridge restores consistent comfort and dependable operation to your Sigma Simply Safe thermostatic shower system. Easy to install and built for long-term reliability. Replacement ALL BRASS
Sigma Simply Safe Thermostatic Cartridge 18.30.155