Hello, I have had this Jacuzzi spa since I purchased my house and have had no luck with it. At first the FLO code would come on after the spa warmed it to 84 degrees. Then I hired a mom and pop comp. to come and find out the problem and service it. Apparently the spa had insulation wrap all through the spa, including the motor. We managed to pull about half of it out and it got up to 104 deg. So I pulled all the insulation out (it was burned and crispy around the motor) thinking this would aleviate the FLO code. The serviceman I hired was about 78 yrs old and was not up to coming out a second time. After the inslation was all pulled out--- No luck. Should I replace the Pressure switches( problem indicated by manual) ? How many are there? How do I replace them? Were are they located?