MERCURY FLAME SENSORS
Prevent Gas Flow to Main Burner if Pilot Flame is Not Burning or is
InsufcienttoProperlyIgniteMainBurner
FEATURES
•ThesesensorscombinearuggedSnap-Actionswitchandpowerfulmercury
actuated thermal element.
•Maybeusedwithnatural,manufacturedormixedgasesandwithLPgaseswhere
means are provided for obtaining automatic pilot gas shut-off.
•Switchmaybeconvenientlymountedinanyposition.
•Coveriseasilyremoved,makingswitchterminalsreadilyaccessible.
•Nobuttontodepress–Sensorsarerecyclingtypewhichrequirerelightingor
possible restoration of proper gas pressure to return to operation.
SPECIFICATIONS
Timing............................ Contacts close approximately 60 seconds
after pilot is ignited; open approximately
40secondsafterameisextinguished
Agency . . . . . . . . . . . . . . . . . . . . . . . . . . . U.L. recognized and C.S.A. approved
Dimension.........................
2
3
/
4
”H x 2
1
/
16
” W x 1
7
/
8
”D
Model Element Electrical Rating
Number Length 120 VAC 240 VAC 30 VAC
3046-5 48” 125 VA 125 VA 90 VA
PLUG-IN TYPE MERCURY FLAME SENSORS
Designed for use with White-Rodgers Diaphragm, “Cushioned Power”
or “Silent Knight” Gas Valves having Plug-In Receptacle
FEATURES
•Plug-infeaturerequiresnoadditionalelectricalconnectionsormountingdevices.
•SensorcombinesaruggedSnap-ActionSPDTswitchandpowerfulmercury
actuated thermal element.
•Maybeusedwithnatural,manufacturedormixedgasesandwithLPgaseswhere
means are provided for obtaining automatic pilot gas shut-off.
•Nobuttontodepress–Sensorsarerecyclingtypewhichrequirerelightingor
possible restoration of proper gas pressure to return to operation.
•TheSPDTswitchcanenergizeignitorcircuittorelightpilot(aswithrooftopunits).
SPECIFICATIONS
Timing............................ Contacts close approximately 60 seconds
after pilot is ignited; open approximately
40secondsafterameisextinguished
Agency . . . . . . . . . . . . . . . . . . . . . . . . . . . C.S.A. approved
Model Element Electrical Rating
Number Length 120 VAC 240 VAC 30 VAC Comments
30A46-5 48” 125 VA 125 VA 90 VA stud mount element
30A46-105 12” 125 VA 125 VA 90 VA sleeve over element,
no stud mount
30A46-5
3046-5
GAS BURNER
CONTROLS
HEATING
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