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The Simplex 1031 is a mechanical knob lock that opens from outside with a single programmed pushbutton combination and always lets you out freely from inside. It needs no batteries or wiring, and the combination can be changed right on the keypad without taking the lock off the door. A passage feature lets you unlock the outside buttonpad from inside with a thumbturn or key, so the door opens without the code. It suits back doors, garages, storerooms and rental units where you want keyless entry without electronics; against electronic keypad locks it gives up multiple user codes and audit features but never needs a battery change.
Availability unknown
Lowest price we've seen: $740.00 on Nov 4 at Locksmith Keyless. Tracked across 1 store since Nov 4.
Owners of the Simplex 1000 Series value the battery-free operation and the easy on-door code change, and many use it on exterior doors for years. Complaints center on the single shared code and on button wear revealing the combination.
The Simplex 1031 is a mechanical pushbutton cylindrical knob lock from the Simplex 1000 Series. It gives exterior access through a single programmed combination entered on the keypad. People inside can always exit without restriction.
The combination can be set or changed directly on the keypad without removing the lock from the door. The lock needs no batteries and is weather-resistant.
It has a combination passage function. The feature is activated from the inside with the thumbturn or a key.
