Trane NUT0999 Nut 320734-701 it provides the torque necessary

it provides the torque necessary for consistent airflow in air handlers and condenser fan units

Corrosion Resistance: High-grade B584 bronze construction and SST spring material prevent premature failure in high-moisture environments

the EPS10 series is typically preferred for waterflow detection in wet systems

ensuring a technician inspects the system before operation resumes after a low-water event

making it suitable for multi-story commercial hydronic loops

Trane NUT0999 Nut 320734-701 it provides the torque necessaryEnsure a reliable, leak free seal on your next service call with the Trane NUT0999 Nut. This high grade OEM HVAC hardware is engineered specifically for high pressure refrigeration and ventilation systems, featuring a 1. 25 12 UNF 2B thread for precision engagement. Designed as a 1. 25 inch Nut for 3 4 or 5 8 inch tube applications, it provides the structural integrity required to secure critical tubing assemblies without the risk of cross threading