• 4334 North Creek Road, Chattanooga, TN 37406
  • 423-498-1988

Plug & Play Installation

NEMA 4X Enclosure

Class 1, Div 2 Certified

Flame Smart Ei3

The Flame Smart Ei3

Consistent. Powerful. Performance.

With cutting-edge design, pilotless ignition, effortless controls and customizable features, the Flame Smart Ei3 is the industry leader in burner management.

Compatible with flares, combustors and all firebox applications, the Ei3 controls both the pilot and main burner gas valves, ensuring consistent functionality and safety with high-temperature shutdown as well as flame failure shutdown. Premium features including remote capabilities, optional MODBUS upgrades and solar panel compatibility make the Ei3 the ideal solution for operations with extensive burner management needs.


  • Pilotless Ignition
  • Easy One-Button Startup
  • High-Temp Shutdown
  • MODBUS Compatible
  • Energy-Efficient Design and Functions
  • Solar-Panel Ready with Built-In Charge Regulator
  • Simple Setup and Operation
  • Customizable Lock/Unlock Function for Additional Security Measures


  • MODBUS-RTU Protocol
  • RS-232 and RS-485
  • Baurd Rate 19200/9600
  • Ignition Failure
  • High Temperature
  • Flame Failure
  • Flame Sensor Failure
  • RTD Failure
  • Ignited Failure
  • Main Valve Failure
  • Battery Voltage
  • Temperature in F or C
  • System ON/OFF
  • Igniter ON
  • Burner ON
  • Hours-On Counter
  • Error Code Assisted Troubleshooting
  • Lock / Unlock Setting
  • Audible 120 dB Ignition Buzzer
  • Ignition Attempts / Successes Counter
  • Run Status
  • Alarm Output
  • Operated with RTD or External Switch
  • Three Standby Interlocks
  • Two Shutdown Interlocks
  • Remote ON/OFF
  • Remote Temperature Out with 4-20 mA
  • Flame Rod for Flame Sensing

Operating Specifications

  • Voltage: 11-15 volts DC
  • Solar Panel Voltage: 12 volts DC
  • Solar Panel Current: 8 amps maximum
  • Igniter Voltage: 13-14 volts DC adjustable
  • Igniter Amps: 6.5 amps inrush, 2.0 amps nominal (during ignition only)
  • 4-20 mA Voltage: 12-30 volts DC from customer’s RTU/PLC
  • RTD Probe Rance: 0-850º F
  • Process Temp Range: 10º-490º F
  • Actuator Valve: 3 amps
  • System Current Draw: Piloted 0.54 amps average, system running; Pilotless 0.87 amps average, system running (varies with application)
  • Ambient Temperature: -40 / +130º F (hardware only)

Product Specifications

  • Powerful polycarbonate NEMA 4X enclosure meets strict IP66 criteria UL Listed, CSA certified
  • Customers in northern states should use 40W solar panel with a 100 Ah battery; customers in southern states should use a 20W solar panel with a 25Ah battery.
  • UL Listed
  • UV Resistant keypad
  • Corrosion-resistant display