HomePartsLennox PartsFurnace PartsLennox Furnace PartsG24M3X-100S-1 Parts

Lennox Furnace G24M3X-100S-1 Parts

Shop replacement repair parts for Lennox Furnace model G24M3X-100S-1

icons/furnace
Brand:Lennox
Model:G24M3X-100S-1
Product:Furnace
Shop PartsCommon ProblemsDiagrams & ManualsRelated Videos
Filters
Symptoms
13 results
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
$43.74

Flame rollout limit switch - manual reset

Lennox Furnace Flame Sensor
Genuine OEM Part # 43K53 | RC Item #2332590
# 43K53
RC Item #2332590
Skill Level (2)
skill level dotskill level dotskill level dotskill level dot
Product is a manufacturer part
43K53 Flame Sensor
Watch Video
$28.13

Flame sensor

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 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 Air Filter
Genuine OEM Part # 30336 | RC Item #2710571
# 30336
RC Item #2710571
Product is a bestsellerProduct is a manufacturer part
30336 Air Filter
Watch Video
$101.09

Filter-air

Lennox Furnace Limit Switch
Genuine OEM Part # 71J07 | RC Item #2346590
# 71J07
RC Item #2346590
Product is a bestsellerProduct is a manufacturer part
71J07 Limit Switch
Watch Video
$31.17

Limit control, 175f

Lennox Furnace Pressure Switch
Genuine OEM Part # 33J88 | RC Item #2346013
# 33J88
RC Item #2346013
Skill Level (2)
skill level dotskill level dotskill level dotskill level dot
Product is a bestsellerProduct is a manufacturer part
33J88 Pressure Switch
Watch Video
$94.28

Pressure switch

Lennox Furnace Heat Exchanger
Genuine OEM Part # 51J99 | RC Item #2715979
# 51J99
RC Item #2715979
Product is a bestsellerProduct is a manufacturer part
51J99 Heat Exchanger
Watch Video
N/A

Heat exchanger

No Longer Available
Lennox Furnace Heat Exchanger
Genuine OEM Part # 51J98 | RC Item #2715978
# 51J98
RC Item #2715978
Skill Level (4)
skill level dotskill level dotskill level dotskill level dot
Product is a bestsellerProduct is a manufacturer part
51J98 Heat Exchanger
Watch Video
N/A

Heat exchanger

No Longer Available
Lennox Furnace Draft Inducer Motor
Genuine OEM Part # 11K99 | RC Item #2706485
# 11K99
RC Item #2706485
Product is a bestsellerProduct is a manufacturer part
11K99 Draft Inducer Motor
Watch Video
N/A

Draft Inducer Motor Assy kit

No Longer Available
Lennox Furnace Pressure Switch
Genuine OEM Part # 60J56 | RC Item #2346410
# 60J56
RC Item #2346410
Skill Level (2)
skill level dotskill level dotskill level dotskill level dot
Product is a bestsellerProduct is a manufacturer part
60J56 Pressure Switch
Watch Video
N/A

Pressure switch

No Longer Available
Lennox Furnace Limit Switch
Genuine OEM Part # 47L19 | RC Item #2346223
# 47L19
RC Item #2346223
Product is a bestsellerProduct is a manufacturer part
47L19 Limit Switch
Watch Video
N/A

Limit Switch

No Longer Available

Lennox G24M3X-100S-1 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-100S-1 problems ― and their solutions. Do any of these look familiar?
Furnace not heating
21 possible causes and potential solutions
Furnace not heating
Furnace is noisy or loud
6 possible causes and potential solutions
Furnace is noisy or loud
Furnace starts then stops
18 possible causes and potential solutions
Furnace starts then stops
VIEW ALL COMMON PROBLEMSShop All Lennox Furnace Parts

Frequently Purchased Together For This Model

Transformer
Transformer
Flame Rollout Limit Switch
Flame Rollout Limit Switch
Flame Sensor
Flame Sensor
Limit Switch
Limit Switch

G24M3X-100S-1 Parts

Maintain and repair your Lennox G24M3X-100S-1 Furnace efficiently with genuine Lennox G24M3X-100S-1 replacement parts from Repair Clinic. Our extensive inventory includes parts for all common G24M3X-100S-1 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-100S-1. 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-100S-1 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-100S-1 Furnace with reliable replacement parts and expert support from Repair Clinic. Order today and ensure your Furnace stays in top condition.

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