As a genuine OEM replacement limit switch

and Johnson Controls

this temperature-actuated control regulates blower activation to optimize thermal transfer and prevent heat exchanger overheating

Is the installation hardware for mounting the linkage rod included

Carrier HK61EA033 Rectifier Board As a genuine OEM replacementIf you are troubleshooting a loss of DC control voltage in a Carrier, Bryant, or Payne air handler or furnace, the Carrier HK61EA033 Rectifier Board is the critical OEM component required for restorative service. This board facilitates the high efficiency AC to DC power conversion necessary to drive internal control logic and sensitive electronic sensors. As a veteran in the field, you know that intermittent system resets or failed communication often