White Rodgers 3098-134 Mercury Flame Sensors Product manual
www.white-rodgers.com
79
FURNACE
MERCURY FLAME SENSORS
Prevent Gas Flow to Main Burner if Pilot Flame is Not Burning or Is
Insufficient to Properly Ignite Main Burner
FEATURES
• These sensors combine 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 – Sensors are recycling type which require 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. certified,
A.G.A. design certified & C.G.A. certified
Dimensions. . . . . . . . . . . . . . . . . . . . . . . . 23/4”H x 2/6” W x 7/8”D
Model
Element
Electrical Rating
Number
Length
120 VAC
240 VAC
30 VAC
3046-5
48”
25 VA
25 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-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 . . . . . . . . . . . . . . . . . . . . . . . . . . . U.L. recognized, A.G.A. design certified
and C.G.A. certified
Model
Element
Electrical Rating
Number
Length
120 VAC
240 VAC
30 VAC
Comments
30A46-5
48”
25 VA
25 VA
90 VA
stud mount element
30A46-105
2”
25 VA
25 VA
90 VA
sleeve over element,
no stud mount
30A46-5
3046-5
GAS BURNER
CONTROLS
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