Suburban Furnace Model SF-20 Tune-Up Kit
Suburban Furnace Model SF20 Tune-Up Kit
Suburban Furnace Model SF-20 Tune-Up Kit comes in two variations. The first (Kit #1) has the old style burner access gasket which makes kit #1 applicable to the SF-20 between serial numbers 934701426 and 094101431, the second (Kit #2) has the new style burner access gasket which is applicable to the SF-20 above serial number 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: (To order just an individual part, click onto the item# / description below)
IN-STOCK, Standard 1-3 Day Shipping $15.15Tune-Up Kit #2 Contents: (To order just an individual part, click onto the item# / description below)
IN-STOCK, Standard 1-3 Day Shipping $15.15
SUBURBAN FURNACE SF-20 EXPLODED PARTS VIEW LINKS
Item# 2 Thermostat, White
Item# 2 Thermostat, Black
Item# 6 Duct Cover
Item# 7 Duct Collar
Item# 9 Manifold Assembly Above S/N 021206467
Item# 11 Orifice Below S/N 021206467 (NPT Threads)
Item# 11 Orifice Above S/N 021206467 (Metric Threads)
Item# 12 Burner Access Door Gasket Below S/N 094101431
Item# 12 Burner Access Door Gasket Above S/N 094101431
Item# 22 Electrode Below S/N 921403895
Item# 22 Electrode Between S/N 921403895 - 934701426
Item# 22 Electrode Above S/N 934701426
Item# 23 Burner Assembly
Item# 26 Gas Valve Below S/N 921403846
Item# 26 Gas Valve Between S/N's 921403846 and 971303163
Item# 26 Gas Valve Above S/N 971303163
Item# 27 Gas Inlet Pipe
Item# 31 Vent Cap & Exhaust Tube Assembly
Item# 32 Intake Tube Assembly
Item# 39 Firewall Gasket
Item# 40 Motor Assembly Below S/N 012205202
Item# 40 Motor Assembly Above S/N 012205202
Item# 45 Sail Switch Below S/N 924201894
Item# 45 Sail Switch Above S/N 924201894
Item# 48 On / Off Switch
Item# 50 Module Board (Ignition Board)
*Not Shown* Wiring Kit (to convert to new 3 try ignition board)
Item# 52 Room Air Blower Wheel
Item# 57 Firewall Gasket
Item# 59 Limit Switch Above S/N 921403895
*Not Shown* Gasket Kit, Complete
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 is lower than serial number 014103973 due to the year of manufacture.
Featured Products
