Suburban Furnace Model SF-20 Tune-Up Kit
Kit #1 has the old style burner access gasket which is applicable to between serial numbers 934701426 and 094101431, (Kit #2) has the new style burner access gasket applicable to above serial number 094101431 to present. For parts outside of these serial numbers please reference the exploded parts view item links below the tune-up kits. *See serial number note at the bottom of the page*
Tune-Up Kit #1 Contents: (links in blue)
- Item# 45 Sail Switch Above S/N 924201894 232261 (New P# 525003)
- Item# 12 Burner Access Door Gasket Below S/N 094101431 070811 (New P# 525010)
IN-STOCK
Tune-Up Kit #2 Contents: (links in blue)
Click the Down Arrow To View Complete Kit Contents
- Item# 45 Sail Switch Above S/N 924201894 232261 (New P# 525003)
- Item# 12 Burner Access Door Gasket Above S/N 094101431 071263 (New P# 525031)
IN-STOCK
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Suburban Furnace Model SF20 Exploded Parts View Links
Item# 2 Thermostat, White, 161154
Item# 2 Thermostat, Black, 161210
Item# 9 Manifold Assembly 171595 Above S/N 021206467
Item# 11 Orifice 180188 Below S/N 021206467 (NPT Threads)
Item# 11 Orifice 180305 Above S/N 021206467 (Metric Threads)
Item# 12 Burner Access Door Gasket 070811 Below S/N 094101431 (New P# 525010)
Item# 12 Burner Access Door Gasket 071263 Above S/N 094101431 (New P# 525031)
Item# 22 Electrode 231898 Below S/N 921403895
Item# 22 Electrode 232166 Between S/N 921403895 - 934701426
Item# 22 Electrode 232286 Above S/N 934701426 To 171416095 (New P# 525009)
Item# 22 Electrode 233306 Above S/N 171416095 (New P# 525051)
Item# 23 Burner Assembly 010767
Item# 26 Gas Valve 161133 Below S/N 921403846
Item# 26 Gas Valve 161070 Between S/N's 921403846 and 971303163
Item# 26 Gas Valve 161122Above S/N 971303163
Item# 27 Gas Inlet Pipe 171574
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 390849
Item#38 Combustion Wheel 350189 (New P# 350211)
Item# 39 Firewall Gasket 071084
Item# 40 Motor Assembly 233101 Below S/N 012205202
Item# 40 Motor Assembly 232682 Above S/N 012205202
Item# 42 Front Half Room Air Blower Housing Assembly 390872
Item# 44 Rear Half Room Air Blower Housing Assembly 390851
Item# 45 Sail Switch 230509 Below S/N 924201894 (New P# 525024)
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
Item# 59 Limit Switch 232503 Above S/N 921403895
*Not Shown* Gasket Kit, Complete, 520799
Available Downloads:
- Suburban SF-20 - Service Manual
- Suburban Furnace SF-20 - Installation Instructions
- Suburban Gas Furnace Model SF-20 - Users Manual
- 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 (Year 1991) is lower than serial number 014103973 (Year 2001) due to the year of manufacture.
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