Abstract: A lock includes an internal facing portion and an external facing portion, a lever assembly, a housing cover on the external facing portion of the lock including a lock assembly having a locked position and a unlocked position and a button cap. The button cap extends into a first groove of the housing cover and engages a silicon sleeve sealing the button cap and the housing cover. A housing includes a trigger button and an inner seal to engage a second groove sealing the housing and the housing cover, and an anchoring frame on the internal facing portion of the lock coupled to the housing. The trigger button extends through the anchoring frame, and the trigger button is accessible from the internal facing portion of the lock to releasably actuate the lock assembly.