Description

Suburban SF25F Technical Documentation:

• Suburban Gas Furnace Model SF-25F – Users Manual
• Suburban Furnace SF-25F – Installation Instructions
• Suburban Service Manual SF-25F
• Suburban Master Parts List

Suburban SF-25F Tune Up Kit

Tune-Up Kit #1:
Item# 22 Electrode With Lead 232286 (Above S/N 934701426)
Item# 23 Burner Assembly 010762
Item# 59 Limit Switch 232504 (Above S/N 921403895)
Item# 45 Sail Switch 232261 (Above S/N 924201894)
Item# 12 Burner Access Door Gasket 070811 (Below S/N 094101431)
Tune-Up Kit #2:
Item# 22 Electrode With Lead 23228 (Above S/N 934701426)
Item# 23 Burner Assembly 010762
Item# 59 Limit Switch 232504 (Above S/N 921403895
Item# 45 Sail Switch 232261 (Above S/N 924201894)
Item# 12 Burner Access Door Gasket 071263 (Above S/N 094101431)

SUBURBAN FURNACE SF-25F 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 and Below S/N 094101431
Item# 11 Orifice 180913 Below S/N 021206467 (NPT Threads)
Item# 11 Orifice Above S/N 021206467 (Metric Threads)
Item# 12 Burner Access Cover Gasket Below S/N 094101431
Item# 12 Burner Access Cover Gasket Above S/N 094101431
Item# 22 Electrode Below S/N 921403895
Item# 22 Electrode Between S/N’s 921403895 and 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# 31 Vent Cap & Exhaust Tube Assembly
Item# 32 Intake Tube Assembly
Item# 38 Combustion Air Wheel
Item# 39 Firewall Gasket
Item# 40 Motor Assembly Below S/N 012106952
Item# 40 Motor Assembly Above S/N 012106952
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 Below S/N 921403896
Item# 59 Limit Switch Above S/N 921403895
*Not Shown* Gasket Kit, Complete