From: jasen@xnet.co.nz   
      
   On 2010-09-11, thermo102  wrote:   
   > We have a spa with heater protected by a GFI 30 amp Circuit Breaker.   
   >   
   > Is there anything inherent in the device to cause them to go bad?  I just   
   > replaced it after 6-years.   
   >   
   > The original CB also failed after 6-years.  Both times, it was after being   
   > tripped off all summer because the heaters were not needed, and then would   
   > not reset.   
   >   
   > Other than tripping it off four (4) times a year when servicing the spa,   
   > nothing is done to it.   
   >   
   > We don't bother to check it monthly.  Would this have any bearing on it's   
   > failure.   
      
   Any shance it's getting damp?   
      
   Find some other way to turn off the heaters.   
      
   > The things are far from cheap, so I wonder if there is anything we are ( or   
   > are not) doing which causes them to fail.   
      
   Have you looked?   
      
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