From: nojunk@knology.net   
      
   On 6/8/2020 11:48 AM, default wrote:   
   > On Mon, 8 Jun 2020 11:23:23 -0400, Ralph Mowery   
   >  wrote:   
   >   
   >> In article ,   
   >> default@defaulter.net says...   
   >>>   
   >>> The circuit is still on my water heater and has been working for >10   
   >>> years now.  I have a flashing LED that flashes faster as current   
   >>> increases (like when one heating element is on or both) and a piezo   
   >>> buzzer that comes on when power is applied (I put a switch on the   
   >>> water heater to save money) and again when the current drops to zero   
   >>> (buzzer sounds for as long as a cap can keep it working)   
   >>>   
   >>>   
   >>>   
   >>   
   >> Most water heaters only have one element on at a time.  Is this a   
   >> special water heater ?   
   >>   
   > I don't think it's anything special.  There are two thermostats and   
   > two independently controlled heaters.  If I'm gone for the weekend and   
   > power is off, it appears when I power it back up, that both elements   
   > are on for a time.   
   >   
      
     I think if the upper heater is thermostat energized, that thermostat   
   prevents current to the lower thermostat and heater.   
     This should about cover it.   
   > http://waterheatertimer.org/How-to-wire-water-heater-thermostats.html   
      
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