SunTouch 500980 SunStat Relay R4 for 15 Amps Heating Systems for 120V and 240V
Each SunStat Relay R4 has built in 915MHz technology to connect wirelessly to SunStat ConnectPlus(TM) thermostat. Built in 915MHz technology to connect wirelessly to SunStat ConnectPlus thermostat. Device Type Relay.