Trane PAN4391 Drain Pan 318973-401 Vibration Dampening: Precision threading helps

Vibration Dampening: Precision threading helps maintain torque and prevents loosening during high-static operation

this model features a 3% humidity element accuracy and a 1k ohm platinum RTD (Class A) for reliable temperature sensing

Versatile Media Compatibility: Rated for water and up to 50% glycol mixtures

which is essential for maintaining CO levels and overall system efficiency

Simplified Service: The clear tube design and threaded unions allow for 30-second visual checks and mess-free media replenishment

Trane PAN4391 Drain Pan 318973-401 Vibration Dampening: Precision threading helpsThe Trane PAN4391 Horizontal Drain Pan is an OEM replacement condensate pan designed for compatible Trane HVAC equipment installed in a horizontal configuration. The PAN4391 collects condensate produced at the evaporator coil and directs it toward the system drain connection, helping prevent standing water and overflow around the air handler. The PAN4391 is also a replacement for Trane PAN3423 PAN03423. This Trane condensate drain pan should be