Hi there GlitterKill.
Sorry to hear about your pure being so noisy. Unfortunately there is not much that I can do to advise you on how to repair it. It sounds like the pump needs to be swapped out for a new one since its making that rattle.
Best thing that I can advise is to try and have it exchanged by the place of purchase. generally if you just purchased it you will be eligible for an exchange as most online retailers and even stores will replace it for you over the counter if you tell them it is defective.
If this is not possible, I would then recommend you to RMA the unit and we will send you a new replacement.
To view our RMA Request form, please follow the link:
www.coolitsystems.com/index.php?option=c...=4&Itemid=34
Regards,