Suburban Furnace Model SF-20F Tune-Up Kit
(Kit #1) has the old style burner access gasket which is applicable between S/N's 934701426 and 094101431, the second (Kit #2) has the new style burner access gasket which is applicable to above S/N 094101431. Please verify which kit is applicable to your furnace prior to ordering. 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# 23 Burner Assembly 010767
Item# 59 Limit Switch Above S/N 921403895 232503
Item# 45 Sail Switch Above S/N 924201894 232261 (New P# 525003)
Item# 12 Burner Access Door Gasket Below S/N 094101431 070811
Tune-Up Kit #2 Contents: (links in blue)
Item# 23 Burner Assembly 010767
Item# 12 Burner Access Door Gasket Above S/N 094101431 071263 (New P# 525031)
Suburban Furnace SF20F Exploded Parts View Links
Item# 2 Thermostat, White, 161154
Item# 2 Thermostat, Black, 161210
Item# 11 Orifice 180188 Below S/N 021206467 (NPT Threads)
Item# 12 Burner Access Gasket 07 1263Above S/N 094101431 (New P# 525031)
Item# 22 Electrode 231898 Below S/N 921403895
Item# 22 Electrode 232166 Between S/N's 921403895 to 934701426
Item# 22 Electrode 232286 Above S/N 934701426 (New P# 525009)
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 161122 Above S/N 971303163
Item# 27 Gas Inlet Pipe 171576
Item# 31 Vent Cap & Exhaust Tube Assembly 260553
Item# 32 Intake Tube Assembly 051249
Item# 40 Motor Assembly 232682 Above S/N 012205202
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
Item# 57 Firewall Gasket 070808
Item# 59 Limit Switch 232503 Above S/N 921403895
*Not Shown* Gasket Kit, Complete, 520799
Available Downloads:
- Suburban Service Manual SF-20F
- Suburban Gas Furnace Model SF-20F - Users Manual
- Suburban Furnace SF-20F - 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.Featured Products
