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skip to EVVA External Key Override

EVVA External Key Override

£12.00

(£10.00 ex VAT)

sku: EVVA-DB-Clutch

External Key Override - Double Clutch Mechanism

Additional add on for the EVVA ICS cylinder - Add same number of these as you have cylinders to get this feature added to the cylinders ordered.

This feature allows the lock to be operated from the outside, even if a key is left in the cylinder on the inside.

  • Compatible with double cylinder locks only

  • Ideal for certain smart lock systems where a key must remain inserted internally

  • Perfect for auto-locking doors that need external access at all times

  • Prevents accidental lockouts — ensures entry from the outside if you have your key

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When ordering multiple Keyed Alike locks, only 1 set of keys are provided as all additional locks are made to work from that key.

If ordering 4 or more keyed alike locks you can have them set up as different groups. If Required: Let us know the details in the "Specific Key Requirements" field above.

Each group of locks will then receive keys.

FAQs

The double clutch mechanism allows the external key to override the internal one. This means that even if a key is left in the lock on the inside, you can still gain entry from the outside with your own key, preventing accidental lockouts.

No, this feature is only compatible with double cylinder configurations. It is not intended for use with single cylinders or those equipped with an internal thumbturn.

Yes, it is highly recommended for smart locks where a key must remain permanently inserted on the inside of the door. This ensures you always have a manual external override available if needed.

To have this feature installed, you must add the same quantity of overrides to your basket as the number of cylinders you are ordering. This ensures every lock in your order is equipped with the external override functionality.