SunStat 1140-01 R4 Relay Thermostat 120 or 240 VAC The SunStat® R4 Relay is designed to control the voltage to…
SunStat 1140-01 R4 Relay Thermostat Features Extends the area controlled by a SunStat® ConnectPlus™ thermostat Built-in GFCI Status indicators Wired…