The Copeland 940-0140-04 is a professional-grade Quick Connect Potential Relay engineered for precision motor starting in high-torque refrigeration and air conditioning applications

04 Open / -2

or sluggish response during pneumatic pressure changes

Using this device with line voltage will result in immediate component failure

this 1 HP HVAC motor provides the mechanical strength needed to maintain consistent static pressure and system efficiency

Carrier HH19ZA221 Limit Switch 321142-301 The Copeland 940-0140-04 is aThe Carrier HH19ZA221 Limit Switch is a critical safety component designed for precise thermal monitoring in high efficiency furnace and air handler applications. This OEM replacement limit switch operates as a normally closed contact that opens at a fixed temperature of 220 degrees Fahrenheit to prevent heat exchanger damage or unsafe operating conditions. Featuring a L220 40F calibration, this fixed temperature limit control ensures the system shuts