The Carrier 38HQ660014 Compressor Lockout Sensing Relay is a specialized OEM control board designed to monitor electrical conditions and safeguard compressors in residential and commercial HVAC systems

professional installation by a licensed HVAC technician or electrical contractor is required to ensure safe and correct operation

whereas they can serve as either primary or secondary on hot water boilers

and lighting systems

Belimo LRB24-SR Actuator R-410A The Carrier 38HQ660014 Compressor LockoutThe Belimo LRB24 SR is a high performance proportional control actuator designed for use with pressure independent characterization valves and standard zone valves. This non spring return actuator delivers 45 in lb (5 Nm) of torque while operating on a standard 24VAC DC power supply. It utilizes a 2 to 10 VDC control signal, providing precise modulation for fluid control in demanding HVAC systems. This unit is the direct engineered replacement for