Suburban Furnace Model NT-12SE Tune-Up Kit comes in two variations. The first (Kit #1) has a single sense electrode (one wire that goes to the electrode), the second (Kit #2) has a dual sense electrode (two wires that go to the electrode). Please verify which kit is applicable to your furnace prior to ordering.
Tune-Up Kit #1 Contents (links in blue):
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Item# 45 Electrode, Single Sense (link): 231931 (New P# 525033)
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Item# 62 Burner Assembly (link): 010978
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Item# 60 Orifice (link): 180225
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Item# 17 Limit Switch (link): 230635 (New P# 233484)
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Item# 11 Sail Switch (link): 233100 (New P# 525028)
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Item#'s 46 & 51 Electrode / Burner Door Gasket Kit (link): 071076 (New P# 525011)
Tune-Up Kit #2 Contents (links in blue):
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Item# 45 Electrode, Dual Sense (link): 230956 (New P# 525019)
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Item# 62 Burner Assembly (link): 010978
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Item# 60 Orifice (link): 180225
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Item# 17 Limit Switch (link): 230635 (New P# 233484)
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Item# 11 Sail Switch (link): 233100 (New P# 525028)
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Item#'s 46 & 51 Electrode / Burner Door Gasket Kit (link): 071076 (New P# 525011)
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SUBURBAN FURNACE NT12SE EXPLODED PARTS VIEW LINKS
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Item# 1 Thermostat, White (link): 161154
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Item# 1 Thermostat, Black(link): 161210
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*Not Shown* Duct Cover (link): 050733
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*Not Shown* Duct Collar, 4 Inch (link): 050715
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Item# 7 Intake Tube, 2-3/4 Inch (link): 050711
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Item# 7 Intake Tube, 5 Inch (link): 050712
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Item# 7 Intake Tube, 7-1/2 Inch (link): 050708
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Item# 8 Vent Cap & Exhaust Tube Assembly (link): 260098
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Item# 11 Sail Switch (link): 233100 (New P# 525028)
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Item# 17 Limit Switch (link): 230635
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Item# 24 Ignition Board (link): 521099
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*Not Shown* Wiring Harness Kit (link): 520840
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*Not Shown* Module Upgrade Kit (link): 520840 + 521099
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Item# 29 Burner Tunnel Gasket (link):071240
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Item# 32 Combustion Air Wheel (link): 350082
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Item# 34 Rear Combustion Air Housing (link): 390876 NLA
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Item# 36 Combustion Air Box Gasket (link): 070446
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Item# 38 Front Combustion Air Housing(link): 390874
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Item# 40 Motor Gasket (link): 071085
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Item# 41 Blower Motor Kit, 12VDC,(link): 520949
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Item#41 Blower Motor, 12VDC,(link): 232877 (motor that's in kit 520949)
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Item# 42 Room Air Impeller (link): 350083
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Item# 45 Electrode, Single Sense (link): 231931 (New P# 525033)
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Item# 45 Electrode, Dual Sense (link): 230956
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Item# 46 Electrode / Burner Door Gasket (link): 071076 (New P# 525011)
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Item# 50 Burner Access Door (link): 030621
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Item# 51 Electrode / Burner Door Gasket (link): 071076 (New P# 072102)
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Item# 54 Gas Fitting (link): 170374 (New P# 525025)
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Item# 60 Orifice (link): 180225
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Item# 62 Burner Assembly (link): 010978
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Item# 61 Manifold Gasket (link): 070449
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Item# 64 On / Off Switch (link): 232351
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Item# 55 Gas Valve (link): 161123
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*Not Shown* Gasket Kit, Complete (link): 520798
Available Downloads: