Delta Cassidy® 17T Series Thermostatic Valve Only TrimFeaturing clean lines with elegant design details, the Cassidy Collection is an obvious choice for a timeless, traditionally styled bath. Delta showers with TempAssure thermostatic valves are engineered to make sure you dont experience a sudden and possibly unsafe change in water temperature as a result of running water elsewhere, such as using a dishwasher, flushing a toilet or running a washing machine. With separate handles for volume and