A condensing appliance shall have what feature to prevent damage?

A condensing appliance is designed to extract energy from flue gases, which leads to the production of condensation. This condensation can be harmful if not managed properly, as it may lead to water accumulation that could damage the appliance or surrounding structures.

The presence of an auxiliary drain pan is essential for collecting this condensate and ensuring that it is properly drained away. This feature is particularly crucial in environments where the primary drainage system might become clogged or malfunction. By having an auxiliary drain pan, it acts as a safeguard against unexpected blockages in the main drainage line, thus preventing overflow and potential water damage.

When this feature is incorporated, it allows for safe operation, extending the lifespan of the appliance and maintaining efficiency, as well as protecting any building structure from water-related issues. Proper management of condensation is vital in condensing appliances, and the auxiliary drain pan serves as a reliable solution to avoid hazards associated with moisture accumulation.