Using this Fisher & Paykel refrigerator thermostat is easy. First, make sure your fridge is unplugged. Then, remove the old thermostat and install this new one using the included mounting hardware and universal knob. When installing, be careful not to bend the capillary tube too sharply, as this can mess up the thermostat. For maintenance, keep the thermostat clean and check it regularly for any signs of damage. If you notice any issues, it's best to replace it right away. With over 25 years of experience in supplying appliance parts, you can trust this product to keep your fridge running smoothly.