Less is more. This two-handle thermostat trim kit is part of our modern Serin® Collection. When installed with a thermostatic mixing valve (sold separately), you select the water temperature with the bottom lever handle and operate the on/off volume control with the top handle. Once set, the temperature remains constant.Fits R520 or R540 thermostatic rough shower valveMetal wall escutcheonMetal knob HandlesLESS ValveADA Compliant
