Seisco was designed with a complete array of dependable safety features to prevent harm to the user and the heater. There are several redundant safety features as well.  

• Dual high temperature switches on independent circuitry in addition to the control's internal high temperature shut down.
  

• Dual low level detectors are used to prevent dry firing of the heating elements.
  
  
• A leak detector is mounted on the casing that in the event of a leak sounds an alarm to the user.
  
  
•  Electrical Surge Protection - Although the control board is protected against electrical surges, additional heater protection is achieved when the relays are opened during periods of standby, providing no path for the surge to reach the heating elements.
  
  
• Venting System - The chamber is designed with a patented venting system that continuously vents harmful gasses and air during operation.
  
  
• The microprocessor control is programmed to provide self diagnostics that significantly reduces troubleshooting and service time. In the event of a problem with the heater, the control emits a visual or optional built-in audible code.
  

There is no maintenance required of the Seisco. However, there are clean-out plates below the heater chamber to allow removal of sand and grit that may build-up from a well water system.

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