Suburban Furnace Model SF-25F Tune-Up Kit

kit #1 applicable to between S/N's 934701426 and 094101431, Kit #2 is applicable above S/N 094101431. 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 (links in blue):
Item#22 Electrode With Lead (link): 232286 (Above S/N 934701426 To 171416095) (New P# 525009)
Item#59 Limit Switch (link): 232504 (Above S/N 921403895) (New P# 525006)
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)

IN-STOCK

     Tune-Up Kit #2 (links in blue):
Item#22 Electrode With Lead (link): 232286 (Above S/N 934701426 To 171416095) (New P# 525009)
Item#59 Limit Switch (link): 232504 (Above S/N 921403895) (New P# 525006)
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)
IN-STOCK

__________________________________________________

Click The Down Arrow To View The SF25F Exploded Parts View Links
Item# 2 Thermostat, White, 161154

Item# 2 Thermostat, Black, 161210

Item# 6 Duct Cover 050733

Item# 7 Duct Collar 050715

Item# 9 Manifold Assembly 171596 Above S/N 021206467 and Below S/N 094101431

Item# 11 Orifice 180913 Below S/N 021206467 (NPT Threads)
Item# 11 Orifice 180306 Above S/N 021206467 (Metric Threads)
Item# 12 Burner Access Cover Gasket 070811 Below S/N 094101431 (New P# 525010

Item# 12 Burner Access Cover Gasket 071263 Above S/N 094101431 (New P# 525031)

Item# 22 Electrode 231898 Below S/N 921403895

Item# 22 Electrode 232166 Between S/N's 921403895 and 934701426

Item# 22 Electrode232286 Above S/N 934701426 And Ending 171416095 (New P# 525009)

Item# 22 Electrode 525051 S/N 171416095 Forward 

Item# 23 Burner Assembly 010762

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 161122 Above S/N 971303163

Item# 31 Vent Cap & Exhaust Tube Assembly 260553

Item# 32 Intake Tube Assembly 051249

Item# 34 Front Half Combustion Air Housing Assembly 390852

Item# 37 Rear Half Combustion Air Housing Assembly 390848

Item# 38 Combustion Air Wheel 350184

Item# 39 Firewall Gasket 071084

Item# 40 Motor Assembly 233101 Below S/N 012106952

Item# 40 Motor Assembly 232682 Above S/N 012106952

Item# 42 Front Half Room Air Housing Assembly 390872

Item# 44 Rear Half Room Air Housing Assembly 390851

Item# 45 Sail Switch 230509 Below S/N 924201894

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 231630 Below S/N 921403896

Item# 59 Limit Switch 232504 Above S/N 921403895 (New P# 525006)

*Not Shown* Gasket Kit, Complete, 520799

Available Downloads:

• Suburban Service Manual SF-25F
• Suburban Gas Furnace Model SF-25F - Users Manual
• Suburban Furnace SF-25F - 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.