balboa spa pack. blowing transformer

[terrell]

I have a 10 year old dynasty hot tub. Over the last three months it started tripping the breaker. After trouble shooting I find that I have a bad transformer. I have replaced it twice and it has gone bad again. What causes the transfirmer to go bad?

[MaryH]

When the breaker trips remove both power leads going to heater and then try and reset the breaker. If it holds with heater disconnected it sounds like the heater element has gone bad and would need to be replaced.