This SunStat relay R4 is designed to control the voltage to SunTouch electric floor heating systems that require more than 15 amps. They connect directly to SunStat thermostats for simple control of larger systems. Each SunStat Relay R4 has built in 915MHz technology to connect wirelessly to SunStat ConnectPlus thermostat. The ConnectPlus thermostat supports Wi-Fi connectivity with apps for Android and iOS mobile devices wireless technology that can be viewed instantly via your mobile device using Apple iOS and Android operating systems. A free Watt Home app can be downloaded from the App Store online store or Google Play store. ConnectPlus works with Alexa and Hey Google for voice control of your floor warming system.

• Built-in GFCI
• Status indicators
• Dual Voltage 120V or 240V
• Wired and wireless connections to thermostat
• Up to 10 wired R4 Relays per thermostat
• Up to 6 wireless R4 Relays per thermostat
• Wireless R4 Relays report energy usage to thermostat
• 3-year warranty