The WarmlyYours 120 VAC Integration Kit connects your radiant floor heating system to third-party controls, giving you the ability to control your TempZoneTM or EnvironTM systems with the stand-alone thermostat or home automation system of your choice. The 120 VAC Integration Kit features an electric heating relay that operates at a resistive load of 22 amps at 120 VAC and includes a built-in 24V/1.2VA/Class 2 transformer. The epoxy-soundproofed relay ensures quiet operation and low current consumption. This 120 VAC Integration Kit features 3-wire, single-pole switching and a 12 AWG terminal wire. It includes a heating command indicator light to provide at-a-glance verification of relay operation and a terminal board connection to facilitate easy installation. The Integration Kit is C-UL-US Listed and carries a 3-year warranty against manufacturer defects.