honeywell C7012E1278 purple peeperHoneywell C7012E1278 Purple Peeper

The Flame Detectors are solid-state electronic devices for sensing the ultraviolet radiation emitted during combustion of most carbon-containing fuels such as natural gas, LP gas, and oil.


  • Solid-state electronic circuitry provides low power consumption and high reliability.
  • Solid-state models directly replace previous models with vacuum electron tube circuitry.
  • Detectors can be mounted horizontally, vertically or at any angle. The self-checking C7012E,F models require faceplate alignment and have integral locating reference points to assure proper shutter mechanism operation.
  • Ultraviolet radiation sensing tube and quartz viewing window are field replaceable.
  • Threaded conduit fitting and color-coded leadwires allow rapid electrical installation.
  • Two flame detectors can be wired in parallel to reduce nuisance shutdowns in difficult flame sighting applications.
  • A swivel mount is available to facilitate flame sighting.
  • Models are available with a -40°F (-40°C) rating

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C7012E1278 120 Vac Flame Sensor