What minimum clearance from combustible materials must an unlisted clothes dryer maintain from its exhaust duct?

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The minimum clearance from combustible materials that an unlisted clothes dryer must maintain from its exhaust duct is 18 inches. This requirement is based on safety protocols that aim to reduce the risk of fire hazards associated with high-temperature exhaust ducts.

When a dryer operates, the exhaust duct can reach elevated temperatures due to the heat generated during the drying process. If combustible materials—such as fabrics, paper, or wood—are positioned too closely to the exhaust duct, there is an increased risk of ignition. Maintaining an 18-inch clearance helps ensure that there is a sufficient buffer zone, thereby decreasing the likelihood of these combustible materials catching fire from the heat radiating from the duct.

It's important to follow this clearance standard not only for compliance with safety codes but also to promote safer operation of the dryer, enhancing the overall safety of the laundry area in homes and businesses.

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