Description
The Lennox 36A77 Relay is used in several including heating, ventilation, and air conditioning equipment. It is an electromechanical 3PDT relay, used for controlling low-voltage circuits. It works like a switch which is operated by an electromagnet. When the electromagnet is energized the switch moves from one circuit to another in the relay. This switching ability makes the Lennox 36A77 Relay capable of handling different operations in the HVAC systems. For example, it can switch ON/OFF fans, compressor, and damper according to the temperature received or signals from the thermostat.
