MAMAC Systems TE-701-B-7-D Sensor ensure the control shaft is

ensure the control shaft is clear of debris to prevent cracking the internal mounting hub

For the 143 series

Note that the 14004625-004 is technically identical to the 14004625-004/U

Precise Thermal Response: Opens at a strictly calibrated 290°F to prevent cabinet damage and ensure fire safety

or if the control board flashes a 4-light diagnostic code

MAMAC Systems TE-701-B-7-D Sensor ensure the control shaft isThe MAMAC Systems TE 701 B 7 D is a rugged duct temperature sensor engineered for precision monitoring in commercial HVAC and building automation systems. This unit utilizes a high stability 10K Ohm Type III NTC Thermistor, ensuring accurate resistance output for controllers requiring a Negative Temperature Coefficient (NTC) signal. The 12 inch stainless steel probe is tip sensitive, providing a rapid thermal response time to manage temperature