Union 2277 3 Lever Mortice Sashlock - Multicolor

The Union 2277 3 Lever mortice sashlock is designed for timber doors hinged on the left or right, ...

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OnBuy.comUnion 2277 3 Lever Mortice Sashlock 5063750545486
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The RangeUnion 2277 3 Lever Mortice Sashlock B - Multi Colour
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B&Q - Union 2277 3 Lever Mortice Sashlock Multi Colour (Polished Br 77.5mm 3In Visi)
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Product Information

Full details

The Union 2277 3 Lever Mortice Sashlock is an essential security solution designed for homeowners and contractors working with internal timber doors up to 54mm thick. Offering a reliable combination of a deadbolt and latch, this unit provides versatile security for doors hinged on either the left or right side; however, users should note that as a 3-lever lock, it is intended primarily for internal residential applications rather than high-security external entrance doors.

All features

ColourMulticolor
Model Part Number2277
BrandUnion

Extended Product Information

FAQs

Is this lock suitable for an external front door?

No, this is a 3-lever lock intended for internal use; it does not meet the security standards typically required for external entrance doors.

Does it come with keys?

Yes, the unit is supplied with two nickel-plated steel keys.

Can I use this on a left-handed door?

Yes, the Union 2277 is designed for use on both left and right-handed timber doors.

What is the maximum door thickness for this lock?

The lock is designed for doors up to 54mm thick.

Can I replace the handles with bolt-through furniture?

Yes, the lock is specifically pierced to accept bolt-through furniture.

Troubleshooting

The key is difficult to turn inside the lock

Ensure the door is fully closed and the latch is properly aligned with the strike plate; if issues persist, apply a small amount of dry graphite lubricant.

The latch does not retract properly

Check that the door furniture is not overtightened, which can bind the spindle, and ensure the mortice cavity is deep enough to prevent obstruction.

The lock does not fit the door thickness

Verify the door thickness is 54mm or less; if the door is thicker, this model is not compatible and a different lock size will be required.

Pros and Cons

Pros

  • Compatible with both left and right-handed door configurations
  • Hardened steel rollers provide increased resistance to physical attack
  • Designed to fit standard door thicknesses up to 54mm
  • Supports bolt-through door furniture for easier hardware installation

Cons

  • Not suitable for high-security external front door applications
  • Limited to 100 key differs which may be restrictive in large facility management
  • Requires professional morticing skills for initial installation

Setup, Compatibility & Care

Installation requires cutting a mortice into the door edge to house the lock body and a corresponding recess in the door frame for the strike plate. Ensure the door thickness does not exceed 54mm. When installing, verify the door handing to ensure the latch bevel faces the correct direction; if necessary, the latch can often be reversed depending on the specific model configuration. For maintenance, avoid using heavy lubricants that may attract dust inside the lever mechanism. If the key operation becomes stiff, a light application of dry graphite lubricant is recommended. Keep the keyway clear of debris to ensure longevity.

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