Lennox 27W13 High Pressure Switch

The Lennox 27W13 is a high pressure switch that is made for use in Lennox HVAC equipment only. This safety device in the system by measuring the pressure within the system. Depending on the design, it gives an RMP signal for turning off the system when the pressure develops beyond the safe working limit it also protects the involved compressor and other parts. This critical safety measure assists protecting the performance of your HVAC as the length of its use. The reliable pressure switch is 24V and 60Hz. If the pressure goes up to a dangerous level the switch opens and cuts off the power to stop the compressor and protect other parts from damage.