Hoffman Controls 906 13AW Wall Stat Els PW 17895 Replacing a warped or unbalanced Replacing a warped or unbalanced blade with this authentic Trane HVAC part is critical for preventing vibration induced motor bearing failure and ensuring optimal heat transfer across the condensing coils The rugged construction and narrow temperature differential make it a reliable choice for HVACR contractors looking for a field proven solution in process control equipment This HVAC part is specifically optimized for use with Hoffman Controls 744 Series Durable ABS housing features a self locking tamperproof design to prevent unauthorized setpoint adjustments