This tutorial will assit you in repairing or replacing the Air Control on your Spa
Locate the troubled Air Control, Here is an example. Unscrew cap by turning counterclockwise this will expose the "button" for the air control.
With a pocket knife or screwdriver, pry the button out as shown here. Once removed, identify if it is in working order by pushing the button and hearing a distinctive "clicking". If so, check to see if the 2 o-rings are in there proper place. If not, reseat orings and reassemble. Air Control should operate normally now.
If it is still not operating properly replacement is probably needed. Conact us to order a new Air Control being sure to include your spa's serial # as we can not ship parts without it. The major components of the Air Control are shown here. Your replacement will come complete.