Description
The Lennox 19X70 RAST 6-Pin Terminal Block is a low-voltage electrical connector used to establish secure wiring connections within control circuits. In HVAC systems, it is commonly used in furnaces, air handlers, and outdoor units to link sensors, thermostats and control boards through a standardized plug-in interface. It operates by providing a keyed connection that ensures correct alignment and stable electrical contact without loose wiring. It is typically mounted inside the units control panel using factory harness connectors for quick serviceability. This component improves wiring organization, reduces installation errors, and supports signal transmission.









