Manufacturer: Honeywell


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A self-checking flame detector using a solid state UV sensor to detect ultraviolet radiation in flames for supervision of gas, oil or combination gas-oil burners.

Additional information

Weight 6 lbs
Dimensions 12 × 9 × 12.5 in


Product Family





Gas, Oil or other fuels

Feature 1

Designed for use with 7800 series controls with the R7851C flame amp.

Feature 2

Oscillating shutter interrupts ultraviolet radiation reaching the UV sensor to provide the solid state UV sensor checking function.

Feature 3

Can be mounted horizontally, vertically or at any angle in between.

Feature 4

The detector requires faceplate alignment and has integral locating reference points to assure proper operation of the shutter mechanism.

Feature 5

Models available with threaded conduit fitting and color-coded leadwires allow rapid electrical installation.

Feature 6

C7961E1022 or E1030 5 pin Brad Harrison type (formally 41307N) mating connector not supplied nor available through Honeywell.

Feature 7

Incorporates UV sensor tube checking feature; used with R7851C1008 Dynamic Self-check Amplifiers.

Feature 8

Protective heat block built into mounting flange.

Feature 9

-40 F (-40 C) rated ultraviolet sensing cell is supplied.

Feature 10

C7961E meets NEMA 4 standards with viewing window rated to 20 psi.


Detects ultraviolet radiation generated by combustion of gas, oil, or other fuels


Quartz Viewing Window rated for 100 psi

Electrical Connections

NEC Class 1 color-coded

Lead Length in

96 in.