Pumpman Pumps come with a 24 Month warranty, Pumpman Controllers come with a 12 month warranty. New solar panels have a 25 year output warranty. Used solar panels have a 10 year warranty. If your item is found to be defective within the warranty period we will replace the defective part free of charge. You are welcome to send it back and our factory trained staff will carry out the repair for you free of charge within the warranty period. Repairs outside warranty period available at reasonable cost, Shipping is cost of buyer. Consumables, cables, leads, etc.. are not covered by warranty, negligence or misuse is a warranty exclusion. Commodore is not responsible for any direct or indirect expenses or losses related to warranty or non warranty.