With a 500 PSI max pressure rating

and pneumatic equipment where moderate vibration levels are present

Common Questions: Is the 100278231 compatible with Armstrong pumps

This kit provides a 9 to 13 psi spring range

Always use a calibrated gauge on the downstream side during setup

Trane KIT2588 Combustion Blower Kit R-410A With a 500 PSI maxThe Trane KIT2588 Combustion Blower Kit is a critical OEM replacement assembly designed for 80 135 MBH gas furnaces. Engineered as a high performance draft inducer motor, this kit ensures the precise extraction of flue gases through the heat exchanger, maintaining the pressure switch circuit and preventing ignition failure. This comprehensive furnace inducer blower assembly replaces legacy part numbers including KIT02588, FAN01890, and FAN02162.