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Model
Number
Element
Length
Electrical Rating
120 VAC
240 VAC
30 VAC
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
MERCURY
FLAME SENSORS
3046-5 mercury flame sensor
Prevent Gas Flow to Main Burner if Pilot Flame is Not Burning
or is Insufficient to Properly Ignite Main Burner
FEATURES
• Sensor combines a rugged Snap-Action switch and powerful mercury
actuated thermal element.
• May be used with natural, manufactured or mixed gases and with LP gases where
means are provided for obtaining automatic pilot gas shut-off.
• Switch may be conveniently mounted in any position.
• Cover is easily removed, making switch terminals readily accessible.
• No button to depress – Sensor is recycling type which requires relighting or
possible restoration of proper gas pressure to return to operation.
SPECIFICATIONS
Timing . . . . . . . . . . . . . . Contacts close approximately 60 seconds
after pilot is ignited; open approximately
40 seconds after flame is extinguished
Agency . . . . . . . . . . . . . . . . . . . . . . . . . . . U.L. recognized and C.S.A. approved
Dimension . . . . . . . . . . . .
2
3
/
4
”
H x 2
1
/
16
”
W x 1
7
/
8
”
D
30A46 SERIES
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-in feature requires no additional electrical connections or mounting devices.
• Sensor combines a rugged Snap-Action SPDT switch and powerful mercury
actuated thermal element.
• May be used with natural, manufactured or mixed gases and with LP gases where
means are provided for obtaining automatic pilot gas shut-off.
• No button to depress – Sensors are recycling type which require relighting or
possible restoration of proper gas pressure to return to operation.
• The SPDT switch can energize ignitor circuit to relight pilot (as with roof top units).
SPECIFICATIONS
Timing . . . . . . . . . . . . . . Contacts close approximately 60 seconds
after pilot is ignited; open approximately
40 seconds after flame is extinguished
Agency . . . . . . . . . . . . . . . . . . . . . . . . . . . C.S.A. approved
Model
Number
Element
Length
Electrical Rating
120 VAC
240 VAC
30 VAC
3046-5
48
”
125 VA
125 VA
90 VA
www.white-rodgers.com64
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