Carrier HH19ZA140 Limit Switch making it a standard for

making it a standard for technicians requiring reliable system dehydration and contaminant control during sealed system repairs or new installations

suitable for various HVACR applications

reducing unnecessary manual resets

Replace the unit if the open circuit voltage drops below 17 mV or if the closed circuit reading falls below 8 mV

38" WC set point

Carrier HH19ZA140 Limit Switch making it a standard forThe Carrier HH19ZA140 Limit Switch is a high precision safety component engineered for HVAC systems requiring an L140 40F thermal threshold. Designed with a normally closed circuit, this disc style switch is rated to open on a temperature rise at 140F and automatically reset when the temperature drops to 100F. As an OEM replacement part, it ensures seamless integration and maintains the original equipments safety ratings and system efficiencies. The