Description
Ensure reliable protection and correct thermal control for your HVAC or fan coil system with the Carrier HH19ZA940 Auto Limit Switch. Built to original factory specifications by Carrier, this purpose designed safety switch helps guard your equipment against overheating while maintaining compatibility with a broad selection of fan coils and packaged units.
Key Features
- Exact OEM part for compatibility: The HH19ZA940 matches the original equipment spec used in many Carrier fan coil and packaged systems—ensuring fit, function and preserving warranty integrity.
- Designed temperature range of 85 °F to 140 °F: This switch opens when the sensed temperature exceeds ~140 °F and resets at ~85 °F, helping to prevent damage from over temperature conditions.
- Auto‐reset format: After the temperature returns to safe levels, the switch resets automatically—saving service calls and reducing downtime.
- Versatile application: Ideal for use in fan coil units, multipoise systems, packaged air handlers, heat pump sections and many HVAC assemblies where this limit switch is specified.
- Built for durability: Compact design, reliable switching action and long service life help maintain system safety and performance without frequent replacements.
