The TOTO Manual Mixing Valve for EcoPower Faucets is designed for use with EcoPower TELC105-D10E, TELC105-C20E, and TELC103-D20E controllers. The valve allows hot and cold water mixing to be delivered to the single supply EcoPower faucet controller. Installed below deck using 3/8" compression fittings. The mixing valve is equipped with integral check valves and debris screens and consists of low-lead solid brass.