This Symmons Replacement Cartridge fits most Symmons Symmetrix single handle faucets. This cartridge will resolve most leaks and is designed for durability and strength. Use of this valve cartridge will also help balance the pressure of hot and cold water to maintain a comfortable water temperature. This model is designed to be used for both hot and cold water. Installing a replacement cartridge is an easy way to keep your Symmons faucet working perfectly for years to come.