Trane SEN1789 Smoke Sensor R-410A What size flanges are compatible

What size flanges are compatible with the Armstrong S45BF

utilizing the correct HVAC heating element is critical for maintaining circuit integrity and meeting system airflow requirements without risking premature open-circuit failures

providing flexible airflow management to meet precise load requirements

1/4" Stem Diameter

Trane SEN1789 Smoke Sensor R-410A What size flanges are compatibleThe Trane SEN1789 Photoelectric Smoke Sensor is a critical safety component designed for precise duct smoke detection within commercial and residential HVAC systems. As an OEM replacement for models like the SEN01789 and SL 2000 P 3WTRA, this unit utilizes advanced photoelectric sensing technology to identify smoldering fires by monitoring light scattering patterns within the air handler. This high sensitivity approach ensures reliable HVAC system