About This Check before Purchase: This c wire adapter requires your HVAC(Heating,Ventilation,and Air Conditioning)system to have the following wires:4 wires:W/W1(or O/B),Y/Y1,G,and R/Rc or 3 wires:Y/Y1,G,and R/Rc. Please scan the QR code to check the compatibility before purchasing, ensuring the correct c-wire adapter for your system Wide Compatibility: Designed to integrate effortlessly with Meross thermostats as well as the majority of other thermostat brands, this adapter offers flexible and extensive compatibility, making it an ideal thermostat C wire adapter for a variety of systems What is a C-Wire: A C-Wire (Common Wire) supplies continuous power to smart thermostats by connecting them to your heating and cooling system, eliminating the need for extensive rewiring in homes lacking a C wire Quick and Easy DIY Installation: The package includes everything you need—an adapter, instructions, wiring stickers, double-sided tape, and more. With the step-by-step guide, you can easily install the C-wire power adapter in under 30 minutes, making it a hassle-free DIY installation Overview Brand : meross Model Name : MCA100 Product Dimensions : 0.8"D x 2.1"W x 2.1"H Special Feature : Low Voltage Color : White
