Home>Parts>Lennox Parts>Furnace Parts>Lennox Furnace Parts>G24M3X-100A-11 Parts

Lennox Furnace G24M3X-100A-11 Parts

Shop replacement repair parts for Lennox Furnace model G24M3X-100A-11

icons/furnace
Brand:Lennox
Model:G24M3X-100A-11
Product:Furnace
Shop PartsCommon ProblemsDiagrams & ManualsRelated Videos
Filters
36 results
Lennox Furnace Igniter
Genuine OEM Part # 41K56 | RC Item #2629303
# 41K56
RC Item #2629303
Skill Level (2)
skill level dotskill level dotskill level dotskill level dot
Product is a manufacturer part
41K56 Igniter
Watch Video
$79.81

Furnace Igniter (80 volt) *** please see related item if 120 volt igniter is needed***

Lennox Furnace Control Board
Genuine OEM Part # 19V36 | RC Item #4960247
# 19V36
RC Item #4960247
Skill Level (3)
skill level dotskill level dotskill level dotskill level dot
Product is a manufacturer part
19V36 Control Board
Watch Video
$304.28

White-Rodgers 21D83M-843 Direct Replacement IFC Ignition Module The ignitiov control moduleregulates the supply of power to the furnace components. Be sure to check more commonly defective parts before replacing the control board.

Lennox Furnace Transformer
Genuine OEM Part # 78H55 | RC Item #2346738
# 78H55
RC Item #2346738
Skill Level (2)
skill level dotskill level dotskill level dotskill level dot
Product is a manufacturer part
78H55 Transformer
Watch Video
$34.00

Transformer

Lennox Furnace Flame Rollout Limit Switch
Genuine OEM Part # 26H78 | RC Item #2705532
# 26H78
RC Item #2705532
Skill Level (2)
skill level dotskill level dotskill level dotskill level dot
Product is a manufacturer part
26H78 Flame Rollout Limit Switch
Watch Video
$43.33

Flame rollout limit switch - manual reset

Lennox Furnace Limit Switch
Genuine OEM Part # 87F16 | RC Item #2346833
# 87F16
RC Item #2346833
Skill Level (2)
skill level dotskill level dotskill level dotskill level dot
Product is a manufacturer part
87F16 Limit Switch
Watch Video
$60.41

Fan Limit Control

Lennox Furnace Limit Switch
Genuine OEM Part # 20J83 | RC Item #2345741
# 20J83
RC Item #2345741
Product is a manufacturer part
20J83 Limit Switch
Watch Video
$82.95

Limit Switch

Lennox Furnace Gasket
Genuine OEM Part # 60J55 | RC Item #2718470
# 60J55
RC Item #2718470
Skill Level (3)
skill level dotskill level dotskill level dotskill level dot
Product is a manufacturer part
60J55 Gasket
Watch Video
$50.51

Gasket

Lennox Furnace Door Switch
Genuine OEM Part # 30H65 | RC Item #2710636
# 30H65
RC Item #2710636
Product is a manufacturer part
30H65 Door Switch
Watch Video
$132.15

Door-interlock

Lennox Furnace Draft Inducer Motor
Genuine OEM Part # 85L49 | RC Item #2724585
# 85L49
RC Item #2724585
Product is a bestsellerProduct is a manufacturer part
85L49 Draft Inducer Motor
Watch Video
$740.00

Blower-ind draft

Lennox Furnace Cap-cabinet
Genuine OEM Part # 57L68 | RC Item #2717405
# 57L68
RC Item #2717405
Product is a bestsellerProduct is a manufacturer part
57L68 Cap-cabinet
Watch Video
$7.65

Lennox Furnace Box-flue
Genuine OEM Part # 54J12 | RC Item #2716760
# 54J12
RC Item #2716760
Product is a bestsellerProduct is a manufacturer part
54J12 Box-flue
Watch Video
$67.09

Lennox Furnace Limit Switch
Genuine OEM Part # 50L98 | RC Item #2715778
# 50L98
RC Item #2715778
Product is a bestsellerProduct is a manufacturer part
50L98 Limit Switch
Watch Video
$126.07

Secondary limit kit

Lennox Furnace Bracket
Genuine OEM Part # 48L98 | RC Item #2715173
# 48L98
RC Item #2715173
Product is a bestsellerProduct is a manufacturer part
48L98 Bracket
Watch Video
$29.50

Bracket

Lennox Furnace Conversion Kit
Genuine OEM Part # 48G22 | RC Item #2715040
# 48G22
RC Item #2715040
Skill Level (4)
skill level dotskill level dotskill level dotskill level dot
Product is a bestsellerProduct is a manufacturer part
48G22 Conversion Kit
Watch Video
$29.80

Conversion Kit. *Should be installed by a certified repairperson.

Lennox Furnace Gasket
Genuine OEM Part # 46J16 | RC Item #2714642
# 46J16
RC Item #2714642
Product is a bestsellerProduct is a manufacturer part
46J16 Gasket
Watch Video
$66.95

Gasket

Go

G24M3X-100A-11 Parts

Maintain and repair your Lennox G24M3X-100A-11 Furnace efficiently with genuine Lennox G24M3X-100A-11 replacement parts from Repair Clinic. Our extensive inventory includes parts for all common G24M3X-100A-11 repairs, ensuring you have everything needed for a successful fix.

Search by model number, part category, part title, or specific symptoms to locate the right parts for your G24M3X-100A-11. Use detailed parts diagrams, repair help guides, and manuals to guide your repair process. Repair Clinic provides troubleshooting tips and videos to resolve common issues and keep your equipment running like new.

Why Choose Repair Clinic for G24M3X-100A-11 Parts?

  • Genuine Lennox replacement parts
  • Same-day shipping on in-stock items
  • 365-day, no-hassle return policy
  • Price match guarantee

Repair your Lennox G24M3X-100A-11 Furnace with reliable replacement parts and expert support from Repair Clinic. Order today and ensure your Furnace stays in top condition.

Lennox G24M3X-100A-11 Problems & Repair Solutions

There are only a handful of issues that crop up with most appliances and equipment. Since 1912, we've learned to recognize the most common Lennox G24M3X-100A-11 problems ― and their solutions. Do any of these look familiar?
Furnace not heating
22 possible causes and potential solutions
Furnace not heating
Furnace is noisy or loud
5 possible causes and potential solutions
Furnace is noisy or loud
Furnace starts then stops
20 possible causes and potential solutions
Furnace starts then stops
VIEW ALL COMMON PROBLEMSShop All Lennox Furnace Parts

Frequently Purchased Together For This Model

Igniter
Igniter
Control Board
Control Board
Transformer
Transformer
Flame Rollout Limit Switch
Flame Rollout Limit Switch
Repair Clinic
Join Repair Clinic's VIP email list for 10% off, plus other discounts and tips!
Our Story

Family-owned and operated since 1912, Burke America Parts Group is the longest-running genuine appliance, HVAC, and outdoor power equipment parts solution in North America. At Repair Clinic, we're proud to be an international brand trusted by the pros as well as the DIY community.

About Repair Clinic
Customer StoriesRepair Parts BrandsDIY Repair BlogIn the News
Click for the BBB Business Review of this Appliances - Major - Parts & Supplies in Canton MI
Quick Links
Shipping Information365 Day Return PolicyRetail Location & HoursContact UsTrack OrderReviewsRepair Clinic Pro
Social Media
Privacy PolicyDo Not Sell/Share My Personal InformationTerms & ConditionsSitemapGet 10% Off
© 2026 RepairClinic.com