Does it include mounting hardware and keys

Automatic Reset Logic: Features an "on at 460#" differential

this is a DPST (Double Pole Single Throw) relay

and other line voltage heating systems

communicating directly with the integrated furnace control board to confirm burner ignition

Bard 8406-038 Limit Switch Does it include mounting hardwareThe Bard 8406 038 is a critical safety component designed for high temperature monitoring within Bard wall mount and packaged HVAC units. This 240F manual reset limit switch functions as a primary safety control, interrupting the electrical circuit to the heating elements or compressors if internal temperatures exceed the 240 degree Fahrenheit threshold. Engineered for technical precision, this OEM Bard replacement part prevents thermal damage to