Trane CNT0532 Fan Limit 328140-751 Professionals should always cross-reference the

Professionals should always cross-reference the unit serial number with the manufacturer’s parts manual to ensure proper fitment

What happens if my high limit switch fails

including LPG and dry CO2

Built with a silicon steel-laminated core and high-quality copper magnet wire

Running at a consistent 1500 RPM with a CCW (Counter-Clockwise) rotation

Trane CNT0532 Fan Limit 328140-751 Professionals should always cross-reference theThe Trane CNT0532 (often superseded by CNT00532) is a heavy duty OEM replacement fan limit switch designed for precision thermal regulation in residential and light commercial air handlers. This A R Fan Limit is calibrated for high performance safety, featuring a critical 150F Open (Op) and 130F Close (Cl) threshold. By monitoring supply plenum temperatures, the CNT0532 prevents the heat exchanger from reaching unsafe levels during heating cycles