Suburban Furnace Model NT-40 Tune-Up Kit

Suburban Furnace Model NT-40 Tune-Up Kit

Applicable to NT-40 models above serial number 920500001 (newer then 1992)

Tune-Up Kit Contents (links in blue):

• Item# 16 Electrode 231933, Single Sense, Above S/N 920500001
• Item# 44 Burner Assembly 010702
• Item# 22 Limit Switch 231807
• Item# 65 Sail Switch 232279 (New P# 233355)
• Item#'s 15 & 20 Electrode / Burner Door Gasket Kit 071076 (New P# 525011)

SUBURBAN FURNACE NT-40 EXPLODED PARTS VIEW LINKS

• Item# 6 Duct Collar 050715
• *Not Shown* Duct Cover 050733
• Item# 7 Thermostat, White 161154
• Item# 7 Thermostat, Black 161210
• Item# 16 Electrode 231933, Single Sense, Above S/N 920500001
• Item# 16 Electrode 230956, Dual Sense, Below S/N 920500001
• Item# 19 Burner Access Door 030764
• Item# 32 Ignition Board 521099
• Item# 34 Module Board Insulator 070538
• Item# 39 Intake Tube Assembly 052041
• Item# 40 Vent Cap & Exhaust Tube Assembly 260560
• Item# 42 On / Off Switch 232351
• Item# 46 Manifold Gasket 070408
• Item# 53 Gas Valve 161123
• Item# 61 Room Air Wheel 350098
• Item# 72 Crossover Tube Gasket 070385
• Item# 75 OEM Motor, 12VDC, 231208 (New P# 521138)
• Item# 75 After-Market Motor, 12VDC, 231208MC
• Item# 76 Motor Gasket 070384
• Item# 79 Combustion Air Wheel 350110
• Item# 81 Combustion Air Housing Gasket 070386

Available Downloads:

• Suburban Master Parts List
• Suburban NT-40 Service Manual
• Suburban Dynatrail NT-40 - Installation Instructions
• Suburban User Information Manual NT-40