ERA Double Locking Nightlatch - Gold

The backset is the distance from the edge of the door to the center of the lock cylinder. A 60mm backset is standard for many doors, while a 40mm backset is for narrower door edges.

This nightlatch is primarily designed for timber doors. Compatibility with metal doors would depend on the specific door construction and frame.

Wipe the surface with a soft, damp cloth. Avoid using any harsh chemicals, abrasives, or metal polishes, as these can damage the finish.

It means the latch bolt automatically locks itself when the door is closed, preventing it from being retracted by methods like a credit card.

The product description does not specify suitability for fire doors. Please consult fire safety regulations or a professional locksmith for confirmation.

The 10-year guarantee and warranty typically cover manufacturing defects and faults in materials under normal use. Refer to the manufacturer's documentation for specific terms and conditions.

No, the internal locking handle is operated manually from the inside. The key is only needed to operate the lock from the exterior.

Check for obstructions in the door frame or lock mechanism. Ensure the door is properly aligned and not sagging. Lubricate the mechanism with graphite powder.

Verify that the door is closing fully against the frame. Ensure the strike plate is correctly aligned with the latch bolt. Check for any debris preventing full engagement.

Ensure the internal components are correctly seated. Apply a small amount of graphite lubricant to the locking mechanism accessible from the inside.

Ensure the correct key is being used and is fully inserted. Check that the latch is not under pressure from the strike plate. If issues persist, the cylinder may need professional servicing.