ICP
Furnace

Model # NHOC084AH01 (741971 - 741980) Official ICP oil-fired furnace

Here are the diagrams and repair parts for Official ICP NHOC084AH01-741971-741980 oil-fired 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 94 parts  |

Blower Wheel 751887
#6A

Functional replacement parts diagram

Blower wheel

Part #751887

Replaced by #1175870

?
Manufacturer substitution
This part replaces 751887. Substitute parts can look different from the original.
In Stock
Fan Relay 92840
#10

Functional replacement parts diagram

Fan relay

Part #92840

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

Air Filter 64502
#4

Functional replacement parts diagram

Air filter

Part #64502

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

F&l Control 638011
#23

Functional replacement parts diagram

F&l control

Part #638011

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

Electrode 638240
#18A

Functional replacement parts diagram

Electrode

Part #638240

Replaced by #1170686

?
Manufacturer substitution
This part replaces 638240. Substitute parts can look different from the original.
In Stock
Nozzle 638238
#19

Functional replacement parts diagram

Nozzle

Part #638238

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

Primary Rela 612454
#14

Functional replacement parts diagram

Primary rela

Part #612454

Replaced by #R8184M1051

?
Manufacturer substitution
This part replaces 612454. Substitute parts can look different from the original.
In Stock
Coupling 97079
#7

Blower assembly diagram

Coupling

Part #97079

Replaced by #610466

?
Manufacturer substitution
This part replaces 97079. Substitute parts can look different from the original.
In Stock
Wheel Burner 97073
#15

Functional replacement parts diagram

Wheel burner

Part #97073

Replaced by #1150448

?
Manufacturer substitution
This part replaces 97073. Substitute parts can look different from the original.
In Stock
Door Front 638202
#16A

Non-functional replacement parts diagram

Door front

Part #638202

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

Symptoms for electric water heaters

Main causes: excessive tank sediment, high voltage supply…

Main causes: thermostats need adjustment, bad heating elements, faulty thermostats, tank sediment build-up, broken dip t…

Repair guides for electric water heaters

How to replace a water heater element

How to replace a water heater element

If your water heater runs out of hot water quickly and one of the two heating elements has failed, replace the element f…

Repair difficulty
Time required
 30 minutes or less
How to replace an electric water heater thermostat

How to replace an electric water heater thermostat

If the water temperature fluctuates or you don't get enough hot water, follow these instructions to replace your water h…

Repair difficulty
Time required
 30 minutes or less
How to replace a water heater temperature and pressure (T&P) relief valve

How to replace a water heater temperature and pressure (T&P) relief valve

Replace a broken temperature/pressure (T&P) relief valve on an electric water heater using these instructions.…

Repair difficulty
Time required
 15 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.…