Description
The Carrier HK35AA003 is a relay board, which is an essentialcomponent of several Carrier HVAC devices. Formerly, it acts like a switch gear by regulating the flow of electric current to various component in response to input from the thermostat or other sensing devices. The relay board controls the on and off of circuits of parts such as compressors, fans, and heating elements. A functional relay board is the one that will allow the component to switch as per the desired temperature and this makes HVAC to work properly.
