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Double Glazing Spares

Union Aluminium Door Gearbox Type 2

£52.50 Ex VAT
£63.00 Inc VAT

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This Union gearbox type 2 is fitted mainly to aluminium doors. View photos for dimensions.

Aluminium Door Lock Specification:
Key to spindle: 48mm
Backset: 31mm
Turn key once to throw deadbolt

diagram of lever/lever handle


Click here to view compatible Lever/Lever door Handles.


Please check that these handles cover any existing screw holes in the door.


  • Model: DBUN2
  • Manufactured by: Union