MARS 61611 Auxiliary The Sensus 143-16-021-03 Red Spring

The Sensus 143-16-021-03 Red Spring is a critical calibration component engineered for high-capacity gas pressure regulators

This genuine Reznor HVAC part ensures the appliance operates within its factory-specified parameters for safety and efficiency

accurate temperature sensing in high-velocity airflow environments

This restrictor with compression fitting compatibility ensures a leak-free seal and linear flow characteristics essential for precise HVAC pneumatic control

this transducer is a reliable solution for technicians requiring real-time current data for building automation systems (BAS) and direct digital control (DDC) panels

MARS 61611 Auxiliary The Sensus 143-16-021-03 Red SpringThe MARS 61611 is a professional grade 1 N C (Normally Closed) side mounted auxiliary switch engineered for integration with 25 60 Amp definite purpose contactors. As a veteran preferred HVAC contactor auxiliary switch, this component provides reliable feedback and interlocking for commercial refrigeration and air conditioning control circuits. This specific model is a direct replacement for Trane SWT1733, ensuring seamless mechanical compatibility