2016 Premium MSpa Service Manual
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7. Take out control box from spa pool.
8. Remove the foam.
;
9. Loosen four screws on the top lid.
10. Disassemble the mid part of the control box.
11. Loosen four screws on the power board case top
lid.
12. Unplug heater elements cables on the power board.
13. Unscrew four screws that place heater elements
onto the control box. And Unplug the cable connection
fitting of water pressure switch.
14. Take out the original heater elements from the
control box and assemble the new heater elements in
reverse order.
4.4 How to Replace the Power Board
1. Take off water inlet and outlet caps
2. Remove the air pipe
