The all-aluminum coil found in the XB Series of air handlers is exponentially more
durable than standard copper coils, which are susceptible to formicary corrosion.
This ensures families stay comfortable indoors all year long, no matter what the
Every XB series air handler comes with a no-rust polymer drain pan along with galvanized
cabinet features to keep things running and looking good for a long time.
Matched options made right
The introduction of the XB series of air handlers allows more flexibility for addressing
special applications for all of your heating and cooling needs. Whether your system
requires the standard convertible air handler, a stud-mount upflow or a Furr-Down
option, we can meet those needs while also providing the integrity of a complete
matched system made to work flawlessly and efficiently year after year.
Trane XB air handlers are built for specific needs and systems to provide you the most reliable comfort and efficiency, like only a Trane can. The XB 4FWM air handler includes:
Flush-mount front return, bottom return with accessory panel
Optional full-length louvered grill panels for front free return
Vertical refrigerant connections
Textured galvanized cabinet with painted front panels
Optional electric heat
No-rust polymer drain pan
4FWM Stud Mount air handler models*
||Cooling Capacity (BTUH)
10-year Registered Limited Warranty on internal functional parts
If the product is not registered within 60 days of installation Trane’s Base Limited Warranty terms will apply.
An option to purchase transferability of your Registered Limited Warranty is available. For more information, click here.
Optional Extended Warranties are available. Extended Warranties can pay for labor and other costs not covered by manufacturer's limited warranty.
Ask your dealer for full warranty information at time of purchase. Warranties are for residential use only. Some exclusions may apply.
Register within 60 days of installation to activate warranty. Residential use only. Some exclusions may apply. Call 1-800-554-6413 or Register Online.