ICP
Furnace

Model # T8DNL125L20A1 Official ICP 80+ single-stage gas furnace

Here are the diagrams and repair parts for Official ICP T8DNL125L20A1 80+ single-stage gas furnace, as well as links to manuals and error code tables, if available.

There are a couple of ways to find the part or diagram you need:

  • Click a diagram to see the parts shown on that diagram.
  • In the search box below, enter all or part of the part number or the part’s name.

Not all parts are shown on the diagrams—those parts are labeled NI, for “not illustrated”.

We encourage you to save the model to your profile, so it’s easy to access parts and manuals for your appliance whenever you log in.

For DIY troubleshooting advice and repair guides, visit our repair help section.

Model diagram and schematic

SEARCH WITHIN THIS MODEL

?

This is the number corresponding to the part on the diagram / schematic

Search
ALL PARTS
Showing 10 of 54 parts  |

Furnace Pilot Igniter And Sensor (replaces B14010-11s, Q3400a1040) 1009524
#12

Furnace diagram

Furnace pilot igniter and sensor (replaces b14010-11s, q3400a1040)

Part #1009524

$166.19
7% OFF Phone Price : $178.19
In Stock
Switch 1013529
#2

Furnace diagram

Switch

Part #1013529

Replaced by #1174276

?
Manufacturer substitution
This part replaces 1013529. Substitute parts can look different from the original.
$62.55
9% OFF Phone Price : $68.55
Back Order
Conv Kit 1160991
#NI

Furnace diagram

Conv kit

Part #1160991

In Stock
Panel 1014416
#D

Furnace diagram

Panel

Part #1014416

In Stock
Shield 1013975
#JJ

Furnace diagram

Shield

Part #1013975

In Stock
Bracket 1012532
#U

Furnace diagram

Bracket

Part #1012532

In Stock
Panel Cutoff 721020008
#G

Furnace diagram

Panel cutoff

Part #721020008

In Stock
Mtr Blr 1011906
#5

Furnace diagram

Mtr blr

Part #1011906

In Stock
Furnace Burner 1008726
#10

Furnace diagram

Furnace burner

Part #1008726

In Stock
Furnace Blower Fan Housing Hanger Bracket 1012328
#F

Furnace diagram

Furnace blower fan housing hanger bracket

Part #1012328

$301.63
$12.00 OFF Phone Price : $313.63
In Stock

Symptoms for gas ranges

Main causes: burner igniter switch failure, bad spark module, dirty or damaged spark electrode, wiring failure…

Main causes: gas supply problem, faulty pressure regulator, clogs in burner or orifice, control system failure, faulty t…

Repair guides for gas ranges

How to replace oven door hinges on a gas range

How to replace oven door hinges on a gas range

See how to replace the oven door hinges on a gas range yourself, in just 30 minutes.…

Repair difficulty
Time required
 15 minutes or less
How to replace a range spark igniter switch

How to replace a range spark igniter switch

Follow these steps to replace the spark igniter switch—sometimes called a burner switch or spark switch—on a gas or dual…

Repair difficulty
Time required
 60 minutes or less
How to replace a range spark igniter electrode

How to replace a range spark igniter electrode

Learn how to replace the spark igniter electrode for the surface burners on a gas range or dual-fuel range.…

Repair difficulty
Time required
 45 minutes or less

Effective articles & videos to help repair your furnaces

How to get your furnace ready for winter

How to get your furnace ready for winter

Get expert tips for preparing your furnace for winter. Follow maintenance tips to keep your furnace in top shape.…

Introducing new technical repair content that we’re developing for the Sears Technical Institute

Introducing new technical repair content that we’re developing for the Sears Technical Institute

Learn about Sears Technical Institute and the advanced technical content being developed for aspiring appliance techs.…

Top questions about Sears and Sears PartsDirect

Top questions about Sears and Sears PartsDirect

Get answers to frequently asked questions about Sears and Sears PartsDirect.…