Rugged Construction: Built to withstand the vibration and thermal stress typical of industrial and residential air handlers

Precise 4-20mA Output: Provides a standard analog signal for seamless integration with controllers

For demanding commercial heating applications

Standardized Mounting: Features a universal mounting plate design for fast

Its NEMA 2 housing and manual override button allow for simplified installation and commissioning for commercial contractors managing complex hydronic valve control sequences

Carrier HH19ZA955 Limit Switch 322838-754 Rugged Construction: Built to withstandThe Carrier HH19ZA955 Limit Switch is a critical high limit safety component engineered for precise thermal monitoring in Carrier furnace parts and residential HVAC systems. Designed with an auto reset function, this 100 155F limit switch ensures the equipment operates within safe parameters by breaking the electrical circuit if the heat exchanger temperatures exceed the maximum set point. As a factory authorized part, it provides a direct replacement