The Trane M21EA4700 Drain Pan is an HVAC component designed to collect and direct condensate water produced during the cooling process. Installed beneath the evaporator coil in compatible Trane air conditioning systems or air handlers, it captures moisture removed from indoor air and channels it toward the designated drain line. This helps prevent water leakage, protects surrounding c... https://www.partshnc.com/trane-m21ea4700-drain-pan