the NEMA 4X rating indicates that the enclosure is designed to provide protection against hosedown and corrosion

the CSP-5001 delivers a minimum 50 in-lb torque (70 in-lb max) and is configured for CCW (counter-clockwise) to close operation

Simplified Installation: Features dual 1/4" barb terminals and a pre-installed bracket for direct-to-collector box mounting

Key Benefits Factory-Calibrated Precision: Fixed 120-160°F range provides reliable protection against overheating in gas furnaces and air handlers

Engineered for well insertion temperature sensing

Carrier 10084201 Fuse 321702-401 the NEMA 4X rating indicatesThe Carrier 10084201 is a high limit thermal cut out fuse designed specifically for safety monitoring in Carrier, Bryant, and Payne HVAC assemblies. As a veteran grade OEM replacement part, this component is calibrated to interrupt the electrical circuit when internal plenum or heat exchanger temperatures reach 110C (230F). This critical HVAC safety switch prevents thermal runaway and potential heat exchanger damage by ensuring the system shuts down