• UL 499 Approval Listing for Water Heating Applications
• Works with tubing and manifold systems
• No minimum flow activation required
• Built-in DSM Utility Integration option
• Compatible with Home Energy Management Systems
• No moving parts
• Very small & compact
• Light weight modular construction
• No restriction to flow
• Standard 3/4 inch plumbing connections
• Microprocessor digital control
• Power sharing & variable power control technology
• Continuous venting
• Heats continuously only when needed, no storage
• Self-diagnostics
• Redundant safety devices
• High performance polymer nylon chamber material
• Rust & corrosion resistant
  
  
• 2 Chambers
  The same advanced microprocessor technology and thermoplastic construction are used in both 2 Chamber and 4 Chamber models, therefore, many of the parts are interchangeable. There are no moving parts or flow restricting devices used in Seisco heaters.
  
  
• Flow/No Flow Detection
  Seisco uses a unique flow/no flow detection system utilizing temperature sensors for flow detection. In standby, the heater maintains a very subtle temperature gradient and flow is detected when there is a change in the gradient.
  
  
• Microprocessor Control
  The advanced microprocessor control turns the power on through a set of relays and turns the power off when flow stops. The most important feature may be the patented "Power Sharing" technology which provides for evenly distributed power to the heating elements. This in turn, helps eliminate scalding potential, scaling and sediment build-up.
  
  
• Control Logic
  The control logic allows the power level to vary which is beneficial in minimizing the use of power for periods of less demanding usage.
  
  
• Quality Construction:
  Seisco heating chambers are modular and molded of light weight thermoplastic materials. The chamber is specifically engineered for durability in harsh water heating environments and capable of withstanding extreme temperature swings and pressure changes. Heating elements, sensors and detection devices that come in contact with the water, are machined in brass or made of copper to help resist corrosion. Standard 1 inch, flanged screw-type heating elements are utilized which are interchangeable with heating elements available at local hardware stores.
  
  
•   3 Year Limited Manufacturer's Warranty PDF Format
  

Note: Warranty is for Water Heating Applications only and does not cover use for residential or commercial space heating applications.

SAFETY FEATURES

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.
  
  
• 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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