Suburban Furnace Model SF-42 Tune-Up Kit
Kit #1 has the old style burner gasket applicable from S/N's 934701426 and 094101431, Kit #2 has the new style burner gasket applicable above S/N 094101431. For parts outside of these S/N's please reference the exploded parts view item links below. *See S/N note at the bottom of the page*
Tune-Up Kit #1 Contents (links in blue): (From Date 11/1993 To Date 10/1994)
- Item#22 Electrode With Lead (link): 232286 Above S/N 934701426 To S/N 171416095 (New P# 525009)
- Item#59 Limit Switch (link): 232505 (New P# 525035)
- Item#45 Sail Switch (link): 232261 Above S/N 924201894 (New P# 525003)
- Item#12 Burner Access Door Gasket (link): 070811 Below S/N 094101431 (New P# 525010)
Tune-Up Kit #2 Contents (links in blue):(From Date 10/1994 To Date 4/2017)
- Item#22 Electrode With Lead (link): 232286 Above S/N 934701426 To S/N 171416095 (New P# 525009)
- Item#59 Limit Switch (link): 232505 (New P# 525035)
- Item#45 Sail Switch (link): 232261 Above S/N 924201894 (New P# 525003)
- Item#12 Burner Access Door Gasket (link): 071263 Above S/N 094101431 (New P# 525031)
Click The Down Arrow To View The Complete Parts List
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Click The Down Arrow To View The SF-42 Exploded Parts View Links
- Item# 2 Thermostat, White, 161154
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Item# 2 Thermostat, Black, 161210
- Item# 6 Duct Cover 050733
- Item# 7 Duct Collar 050715
- Item# 9 Manifold Assembly 171595 Above S/N 021206467
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Item# 11 Orifice 180216 Below S/N 021206467 (NPT Threads)
- Item# 11 Orifice 180309 Above S/N 021206467 (Metric Threads)
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Item# 12 Burner Access Door Gasket 070811 Below S/N 094101431 (New P# 525010)
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Item# 12 Burner Access Door Gasket 071263 Above S/N 094101431 (New P# 525031)
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Item# 22 Electrode 231898 Below S/N 921403895
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Item# 22 Electrode 232166 Between S/N's 921403895 and 934701426
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Item# 22 Electrode 232286 Above S/N 934701426 (New P# 525009)
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Item# 23 Burner Assembly 010799
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Item# 26 Gas Valve 161133 Below S/N 921403846
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Item# 26 Gas Valve 161070 Between S/N's 921403846 and 971303163
- Item# 26 Gas Valve 161122 Above S/N 971303163
- Item# 31 Vent Cap & Exhaust Tube Assembly 260553
- Item# 32 Intake Tube Assembly 051248
- Item# 34 Front Half Combustion Air Housing Assembly 390852
- Item# 37 Rear Half Combustion Air Housing Assembly 390848
- Item# 38 Combustion Air Wheel 350183
- Item# 39 Firewall Gasket 071084
- Item# 40 Motor Assembly 233103, 2-1/2" Diameter, Below S/N 012305199
- Item# 40 Motor Assembly 232683, 3" Diameter, Above S/N 012305199
- Item# 42 Front Half Room Air Blower Housing Assembly 390873
- Item# 44 Rear Half Room Air Blower Housing Assembly 390851
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Item# 45 Sail Switch 230509 Below S/N 924201894 (New P# 525024)
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Item# 45 Sail Switch 232261 Above S/N 924201894 (New P# 525003)
- Item# 48 On / Off Switch 232351
- Item# 50 Module Board (Ignition Board) 521099
- *Not Shown* Wiring Kit 520832 (to convert to new 3 try ignition board)
- Item# 52 Room Air Blower Wheel 350129
- Item# 57 Firewall Gasket 070808
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Item# 59 Limit Switch 232505 (New P# 525035)
- *Not Shown* Gasket Kit, Complete, 520799
Available Downloads:
- Suburban Furnace SF-42 - Service and Training Manual
- Suburban Gas Furnace Model SF-42 - Users Manual
- Suburban Furnace SF-42 - Installation Instructions
- Suburban Master Parts List
Please Note: All Suburban Serial Numbers manufactured after January 1990, will be nine digits. The first two (2) digits signify the year of manufacture. The next set of digits, indicate the week of the year and the remaining digits are serial numbers.
For Example: Even though numerically higher, 912000060 is lower than serial number 014103973 due to the year of manufacture.