Skip Ribbon Commands
Skip to main content
Item 1 Of 2
24 Vdc Flame Sensor, Ultraviolet, Purple Peeper, Self-Checking, 24 Vdc


24 Vdc Flame Sensor, Ultraviolet, Purple Peeper, Self-Checking, 24 Vdc

  • Product Info
  • Literature
  • Accessories & Replacement Parts


24 Vdc solid state electronic flame detectors for sensing the ultraviolet radiation emitted by the combustion of most carbon containing fuels, such as natural gas, LP gases, and oil.


  • Use with R7824C Dynamic Self-Check Flame Signal Amplifier.
  • Circuitry provides low power consumption and high reliability.
  • Mount horizontally, vertically or at any angle in between.
  • Field-replaceable UV radiation sensing tube and quartz viewing window.
  • Quick electrical installation with threaded conduit fitting and color-coded leadwires.
  • Reduce nuisance shutdowns by wiring two in parallel.
  • Oscillating shutter interrupts UV radiation using the R7824C amplifier.
  • C7024E meets NEMA 4 standards with viewing window rated to 20 psi.
  • C7024F has an explosion-proof housing for use in hazardous atmospheres with a viewing window rated to 100 psi.

Product Specifications

Coal fired burners; Gas fired burners; Oil fired burners
Dimensions (in.)
5 1/4 in. diameter (includes mounting flange) x 7 7/32 in. long
Dimensions (mm)
133 mm diameter (includes mounting flange) x 183 mm long
Cast case and cover
Used With
Flame Amplifiers: R7824C
Weight (lb)
4.25 lb
Weight (kg)
1.9 kg
Works with 24 Vdc only
3/4 in. NPT
Electrical Ratings
24 Vdc
Approvals, Underwriters Laboratories Inc.
Component Recognized: File No. MP268
Approvals, Canadian Standards Association
Certified: Master Report LR95329-3
Electrical Connections
Six NEC CLASS 1 color-coded leaders
Power Consumption
7.8 W maximum.
Ambient Temperature Range (F)
-20 F to +175 F
Ambient Temperature Range (C)
-20 C to +79 C
NEMA Rating
Lead Length (in.)
96 in.
Lead Length (mm)
2438 mm



24 Vdc Coil and Shutter Assembly for C7024E, F;C7961