041A5726 is now the Current Replacement Part
 
This replacement part is compatible with the following models: HD800, HD800D, WD952KD, WD952LD.
 
The 041A5726 is a Battery Backup Circuit Board Replacement Kit. For use with various Belt Drive Garage Door Openers; featuring battery backup systems.
 
Always disable the power to the opener before attempting to replace the circuit board. Replacement instructions are included.
 
This Circuit Board Can Only Be Returned in the Original Condition and Returned Within 30 Days.
 
We process orders on the following business day and provide a 30-day return policy for your convenience.