DIY ..Removal & Replace board in your Hot Tub ..This is a step by step of how to replace the board in a hot tub that has a Balboa pack in it .. Its not a tough job and it should not take more then an hour to do.. Remember to turn off the power before you start and use a 1/4 and a 3/8 wrench to remove the heater.. For more Info Videos or advise you can call me at The Arizona Hot Tub Factory 623 842 4665 Thanks and I hope this Video helps You. Tuff Spa TT650