Air blowers provide the air you need to create bubbles in your hot tub. The air is delivered through injectors or channels. It forces not just air but warm air used by your hot tub to create warm bubbles of air. Air blowers will fail USUALLY because of water invasion into the blower itself. This would cause a short circuit. If something should happen to your air blower, they are not too difficult to repair or replace. In order to get your air blower working properly in your hot tub, there are a few spare parts you may require to get it up and running! GoPoolandSpa.com has every accessory you will need for your air blower system. Adapter cords, brushes, check valves, any type of fitting and motor. These are all available to help you repair your air blower. If there is a part you need but do not see, please do not hesitate to contact us and we will get you what you are looking for!