Using this defrost heater element is easy. First, make sure your appliance is unplugged to avoid any electrical shock. Then, carefully remove the old heater element and replace it with this new one, connecting the leads with the male 6.3mm spade terminals. When it comes to maintenance, keep the heater element clean. You can use a soft, dry cloth to wipe it down. Avoid using abrasive materials that could damage the element. If you notice any signs of damage, such as a broken wire or overheating, stop using it immediately and contact a professional. Remember to always follow the safety instructions provided by your appliance's manufacturer.