We sell some items which have a surcharge added to them that require you to send the old unit back to us. You are responsible for the return of the old unit for all parts with a surcharge on them.
We can arrange collection of the old unit, the cost of this charge will be deducted from your surcharge refund.
The surcharge refund is conditional on us receiving a repairable old unit.
We can only refund the surcharge once we have received a credit from our suppliers.