Siemens LFL single Burner Flame safeguard relay
The Siemens LFL is a compact electro-mechanical flame safeguard relay which will sequence the burner light off and continuously monitor the flame. In the event of loss of flame, the LFL will safely shut down the system.


  1. UR , FM , and CSA approved
  2. Compact Design
  3. The LFL can use either flame rod or UV scanner for flame sensing.
  4. Included window given visual indication of light off sequence.
  5. LFL comes with options for combustion air blower motor control and postpurge.
  6. LFL can be reset either locally or remotely in the event of a flame failure.

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