How to Troubleshoot Hot Tub Jets


Problems related to hot tub jets are usually related to air being in the system, or related to water throughput, which can be caused by dirty filters or inadequate water level. Controls can often be incorrectly set and cause hot tub jet issues--jets are controlled by the position of the massage selectors and air controls. The jet's pump also needs to be turned on. Follow some troubleshooting steps before calling for service.

Things You'll Need

  • Garden hose
  • Replacement filters
  • Fill the hot tub to a level above the level of the filters. Use a garden hose.

  • Turn the jet's pump on. Often it's marked "Jets." Adjust the individual jet flow. Rotate the jet face until you get a stream that you like. Anti-clockwise increases flow. Keep some adjustable jets open at all times.

  • Adjust air controls. They introduce air into the jet and change the characteristics of the jet. Rotate the air control to adjust.

  • Purge air from the pump if the motor works but no water flows from the jets. Turn everything off and turn the massage selector's cap anti-clockwise a little. Listen for seeping air. If there is, you should hear it hiss. You may have to remove the handle off the massage selector to get to it.

  • Look for a dirty filter. Often a "Change Filter" message will appear on the display, if you have one. In any case, check the filters if you experience poor jet performance. Turn the power off and remove the skimmer or filter bag cover. Remove the polishing bag lid and then the bag itself. Remove the skimmer assembly and filter and clean it all with the garden hose. The filter will be marked if it is necessary to replace it rather than clean it.

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