and HVAC systems

This 18-240 VAC delay on make relay provides a universal solution for field replacements

If HVAC troubleshooting reveals that the contacts are stuck open or if the fan fails to engage at 105°F

while the base model number is used for technical identification

Carrier HH19ZH195 Limit Switch and HVAC systemsThe Carrier HH19ZH195 Limit Switch is a critical safety component designed for precise thermal monitoring in high demand HVACR systems. Engineered as a normally closed (NC), SPST (Single Pole Single Throw) control, this 195F CO auto limit switch serves as a reliable safeguard by interrupting the electrical circuit when the discharge air or heat exchanger temperature reaches 195 degrees Fahrenheit. This OEM Carrier replacement part is built to