The 900-2Q board is no longer available.
For warranty purposes, QEL conversion kit and 900-2RS board are required. The 900-2RS replaces the 900-2Q board.
ALL AD and CO products are warranted for electrical for 1.0 year after installation OR 2.0 years after manufacture.
The mfg date is on the lock stickers AND can be viewed electronically with th...