Using this Fisher & Paykel Campini thermostat is straightforward. Just install it in your Fisher & Paykel built - in oven as a cooling fan control. Make sure to connect the two 6.4mm spade terminals properly. When the oven temperature reaches 60 degrees Celsius, the thermostat will close to control the cooling fan. As for maintenance, keep it clean and free from debris. Avoid exposing it to extreme conditions beyond its 16 Ampere, 250VAC rating. If you notice any issues like the thermostat not closing at 60 degrees, it might need to be replaced. Remember, we've got 25 years of experience in appliance parts, so if you have any concerns, don't hesitate to reach out.