Ensure the arrow points toward the expansion device (TXV/piston)

Does this heater require a separate thermostat

it requires a minimum differential pressure of 5 PSI to open and function correctly

effectively eliminating the common mechanical friction and hysteresis that can plague older pneumatic setups

Trane SEN2671 Sensor 318423-701 Ensure the arrow points towardThe Trane SEN2671 is a high precision differential pressure sensor engineered for critical airflow monitoring and system diagnostics within commercial and residential HVACR environments. Designed to provide a linear output relative to the pressure across its ports, this 0 5" wc sensor is a standard replacement for ensuring correct static pressure in air handling units and rooftop packages. Operating on a 5VDC supply, the SEN2671 delivers a reliable