Delta T17097-PN Cassidy MultiChoice 17 Series Valve Trim (Polished Nickel). The Delta T17097-PN is part of the Cassidy Series. This valve trim features a Monitor 17 pressure balanced mixing valve with Scald-Guard, a back-to-back installation capability, and a solid brass forged body. It comes with a lever volume control handle, a temperature adjustment handle, and a beautiful, Polished Nickel finish. This valve trim requires an R10000 Multi-Choice rough valve body (sold separately).