this specific spring is sized for the 81 and 210D series

a bifurcated contact model may be preferred for maximum signal integrity

also known as the EK-165S

maintaining the integrity of the heat exchanger and surrounding electronic controls

Trane CNT1219 Temp Control this specific spring is sizedThe Trane CNT1219 is an OEM grade SPST N C Temp Control switch designed for high limit temperature monitoring in commercial and residential HVAC systems. Engineered as a normally closed (N C) safety device, it proactively safeguards equipment by opening the electrical circuit when the sensing environment reaches its fixed 170 degree Fahrenheit trip point. This Trane limit switch replacement is critical for preventing heat exchanger fatigue and