This SunStat(R) relay R4 is designed to control the voltage to SunTouch(R) 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(TM) 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(R) iOS and Android(TM) operating systems. A free Watt Home app can be downloaded from the App Store(R) online store or Google Play(TM) store. ConnectPlus works with Alexa and Hey Google for voice control of your floor warming system.
Built in GFCI
Built-in 15 amp relay controls up to 150 SQ FT at 120V or 300 SQ FT at 240V
Daisy-chain up to ten SunStat relays for control of up to 1,500 SQ FT at 120 VAC or 3,000 SQ FT at 240VAC
Built in 915MHz technology to connect wirelessly to SunStat ConnectPlus thermostat