For installations above 2

Specifically calibrated for an outlet pressure range of 15 to 30 inches Water Column (WC)

the X8799 socket should be inspected for signs of yellowing

This SPST (Single Pole Single Throw) snap-acting control provides precise regulation within a 140°F to 550°F temperature range

Operational Efficiency: Reduces friction to help maintain the energy-efficient performance of your commercial HVAC system

Trane CNT0532 Fan Limit 322838-752 For installations above 2The Trane CNT0532 (often superseded by CNT00532) is a heavy duty OEM replacement fan limit switch designed for precision thermal regulation in residential and light commercial air handlers.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