such as the T-4000-110 kit

The Carrier HN61KL604 Relay is a heavy-duty

shielding internal components from environmental debris and moisture during continuous operation

Streamlined Installation: Color-coded pre-stripped leads and a clearly marked terminal board allow for fast mounting on a standard 4x4 electrical box

and a Hand-Off-Auto (HOA) switch into a single series-circuit housing

Carrier 00PPG000030900A Actuator 318518-761 such as the T-4000-110 kitThe Carrier 00PPG000030900A Actuator is a high torque 24V DC linear actuator engineered for precise modulation in commercial and industrial HVACR systems. Delivering a significant 310 lb force capacity, this OEM component provides the mechanical advantage required to drive heavy duty dampers, large scale valves, and specialized airflow assemblies. Designed for seamless integration, it serves as a direct fit replacement for Carrier HVAC parts, ensuring