ICP
Furnace

Model # OLL125B20B Official ICP oil furnace

Here are the diagrams and repair parts for Official ICP OLL125B20B oil 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 74 parts  |

Blower Wheel 1150448
#14

Burner assembly diagram

Blower wheel

Part #1150448

In Stock
Cad Cell " 636063
#11

Burner assembly diagram

Cad cell "

Part #636063

In Stock
Furnace Blower Fan Wheel 601211
#3

Blower assembly diagram

Furnace blower fan wheel

Part #601211

In Stock
Nozzle 505633
#34

Burner assembly diagram

Nozzle

Part #505633

The manufacturer no longer makes this part, and there's no substitute part

Nozzle .gph 1665504
#34A

Burner assembly diagram

Nozzle .gph

Part #1665504

The manufacturer no longer makes this part, and there's no substitute part

Control F/l 1149503
#35

Replacement parts diagram

Control f/l

Part #1149503

The manufacturer no longer makes this part, and there's no substitute part

Grommet 609194
#4

Blower assembly diagram

Grommet

Part #609194

Replaced by #1149537

?
Manufacturer substitution
This part replaces 609194. Substitute parts can look different from the original.
In Stock
Capacitor 100192
#6

Blower assembly diagram

Capacitor

Part #100192

Replaced by #12908

?
Manufacturer substitution
This part replaces 100192. Substitute parts can look different from the original.
This item is not returnable
$5.26
16% OFF Phone Price : $6.26
In Stock
Primary Rela 612454
#9

Burner assembly diagram

Primary rela

Part #612454

Replaced by #R8184M1051

?
Manufacturer substitution
This part replaces 612454. Substitute parts can look different from the original.
In Stock
Chamber Comb 35090040
#2

Replacement parts diagram

Chamber comb

Part #35090040

The manufacturer no longer makes this part, and there's no substitute part

Symptoms for treadmills

Choose a symptom to see related treadmill repairs.

Main causes: damaged walking belt, improper belt tension, lack of belt lubricant, bad drive motor…

Main causes: damaged walking belt, improper belt tension, bad roller bearing…

Main causes: rear roller out of alignment, damaged walking belt, bad roller…

Main causes: missing safety key, bad control console, wiring failure, faulty motor control board, bad drive motor…

Main causes: faulty sensors, wiring failure, bad control console…

Main causes: bad control console, wiring failure, bad motor control board…

Main causes: no power, bad power cord, tripped or faulty overload switch, bad power switch, wiring failure, bad motor co…

Repair guides for treadmills

These step-by-step repair guides will help you safely fix what’s broken on your treadmill.

How to replace a treadmill motor controller

How to replace a treadmill motor controller

Your treadmill motor won't run with a defective motor controller. Replace the motor controller if it doesn't operate the…

Repair difficulty
Time required
 15 minutes or less
How to replace a treadmill drive motor

How to replace a treadmill drive motor

A defective drive motor won't run when activated by the motor controller. Replace the treadmill drive motor if it doesn'…

Repair difficulty
Time required
 15 minutes or less
How to replace a treadmill walking board

How to replace a treadmill walking board

A worn-out walking board creates friction with the walking belt and causes the belt to slow down during use. Replace the…

Repair difficulty
Time required
 30 minutes or less

Effective articles & videos to help repair your furnaces

Use the advice and tips in these articles and videos to get the most out of your treadmill.

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.…