(Kit #1) is a single sense electrode (one wire to the electrode, applicable to S/N above 920500001), (Kit #2) is a dual sense electrode (two wires to the electrode, applicable to S/N below 920500001).
Note: Limit switch 231626 is becoming no longer available and limited quantities exist
Tune-Up Kit #1 Contents (links in blue)
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Item# 10 Electrode (link): 231933, Single Sense, Above S/N 920500001 (New P# 525029)
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Item# 48 Burner Assembly (link): 010701
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Item# 65 Sail Switch (link): 230510
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Item#'s 13 & 18 Electrode / Burner Door Gasket Kit (link): 071076 (New P# 525011)
IN-STOCKTune-Up Kit #2 Contents (links in blue):
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Item# 10 Electrode (link): 230956, Dual Sense, Below S/N 920500001 (New P# 525019)
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Item# 48 Burner Assembly (link): 010701
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Item# 65 Sail Switch (link): 230510
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Item#'s 13 & 18 Electrode / Burner Door Gasket Kit (link): 071076 (New P# 525011)
IN-STOCK
Click The Down Arrow To View NT24SP Exploded Parts View Links
Item# 3 Bottom Duct Adapter Gasket
Item# 6 Duct Collar (link): 050715
*Not Shown* Duct Cover (link): 050733
Item# 7 Thermostat, White (link): 161154
Item# 7 Thermostat, Black (link): 161210
Item# 8 Harness, Outside, (link): 520322
Item# 10 Electrode (link): 231933, Single Sense, Above S/N 920500001
Item# 10 Electrode (link): 230956, Dual Sense, Below S/N 920500001
*Not Shown* Harness, Inside, (link): 520323
*Not Shown* Ignition Lead, 40 Inch, (link): 232456
Item# 12 Burner Access Door (link): 030764
Item# 13 Electrode / Burner Access Door Gasket (link): 071076 (New P# 525011)
Item# 18 Electrode / Burner Access Door Gasket (link): 071076 (New P# 525011)
Item# 21 Limit Switch (link): 231626
Item# 33 On / Off Switch (link): 232351
Item# 35 Ignition Board (link): 521099Item# 38 Module Board Insulator (not used w/ 521099)Item# 42 Vent Cap & Exhaust Tube Assembly (link): 260573Item# 43 Intake Tube Assembly (link): 050906
Item# 48 Burner Assembly (link): 010701Item# 49 Orifice 180215 Obsolete / No Longer AvailableItem# 50 Manifold Gasket (link): 070408
Item# 53 Gas Valve (link): 161123
Item#60 Gas Fitting (link): 170374 (New P# 525025)
Item# 61 Room Air Wheel (link): 350113
Item# 65 Sail Switch (link): 230510
Item# 72 Crossover Tube Gasket (link): 070385
Item# 75 OEM Blower Motor, 12VDC, (link): 231206
Item#75 After-Market Blower Motor, 12VDC, 231206MC NO LONGER AVAILABLE
Item# 76 Motor Gasket (link): 070384
Item# 77 Combustion Air Housing Assembly (link): 390179BK
Item# 79 Combustion Air Wheel (link): 350110
Item# 81 Combustion Air Housing Gasket (link): 070386
Item# 82 Combustion Air Housing Assembly (link): 390424
Available Downloads: