Description
The Lennox 71K11 is a basic SPST pressure switch for use in several pieces of Lennox HVAC equipment. This dependable switch measures the pressure of the air in the system and produces an electrical signal. In the 71K11 model, this switch is open by default and turns to the closed state at a low pressure of 0.75 Inches of water column The switch then resets at a pressure of 0.90 in. WC. It also optimizes the flow of air thus avoiding potential system harm from conditions such as pressure. The 71K11 has a voltage of 24 volts, and a contact of 5 AMPs, making it a suitable part for several Lennox HVAC systems.
