Using this Supco relay is easy. First, make sure your fridge compressor is within the 1/6 - 1/5 HP or 125 - 150 Watt power range and uses 230 - 240VAC. Then, refer to the included wiring diagrams to connect the relay correctly. It should take just a few seconds to install. Remember, you can use it with a start capacitor if needed. When it comes to maintenance, there's not much to do. Just keep an eye on your fridge's performance. If you notice any issues like overheating or strange noises, check the relay's connections. And since we've been in the appliance parts business for over 25 years, you can trust in the quality of this product. Buy with peace of mind and enjoy a well - functioning fridge.