Perrin & Rowe Armstrong 1/2" Therm & Pressure Balance Trim With 2 Functions (No Share) U.TAR44W1IWPerrin & Rowe Armstrong 1 2 Thermostatic & Pressure Balance Trim With 2 Functions (No Share) Thermostatic and pressure balance shower trim designed to control two independent shower functions without shared operation. Features Thermostatic and pressure balance control with temperature memory Supports two independent functions with no shared output Operates either a showerhead or a handshower independently Single integrated control eliminates the need