Parts & Service

Exploded Diagram - Mirra            Exploded Diagram - Aeron

Fully Trained & Licenced by Herman Miller to Help You

Cupaz have fully trained Engineers,  licensed by Herman Miller to configure your chairs, adjust seating and if necessary carry out repairs. Not only does this extend the lifespan of the most comfortable office seating around but it also boosts your green credentials. All Herman Miller products are designed with a strong environmental ethos in mind.

We have carried out hundreds of services, repairs and inspections throughout the entire range of Herman Miller chairs, so our Engineers are experienced as well as trained.


Built to last and tested to destruction, all the Herman Miller chairs on this site have the following warranties:

  • Mechanisms/frames – 12 years
  • Fabric/back                – 5 years
  • Gas lift                         – 3 years

Spare Parts Service

Should one of your chairs become damaged and require a part replacement we are able to supply these to you. Lead time for delivery may be up to 30 days for some parts. You then have a choice of either arranging your own repair or using one of our staff to carry out the repair for you.

Please note that should you carry out the works yourself, any existing warranties you have on the chair will become null and void. Servicing can only be carried out by a trained engineer in order for warranties to stay intact.

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