20 Most Recent Jacuzzi BK37959 White Era?? Two-Piece Elongated Toilet BK37 - Page 9 Questions & Answers

In the US at a home improvement store, they will have a plumbing repair isle full of pieces and parts of fixtures.

Air Switch Repair It sounds like you have a bad air switch located in your motor. The air switch is what the air hose connects to on the back of the motor or on the box on top of the motor. The other end of the air hose is connected to the air button on the lip of the tub. This is a latching air switch and when you push the air button it latches and sends the power to the motor. When the air button is pushed again it opens the latch in the air switch and stops power going to the motor shutting it off.

You have voltage across the element but no heat.... Disconnect one element connection and do a resistance/continuity test. Or use a clamp to measure running current.

here is a sheet with instructions that show how to remove the graphic rings that hold the buttons in place.

Those 3 bars usually indicate the circuit board is not working properly and will need to be replaced. When you say has 3 bars this is what that shows. - - -