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Model # NHOC100AJ01 (741971 - 741980) Official ICP oil-fired furnace
Here are the diagrams and repair parts for Official ICP NHOC100AJ01 (741971 - 741980) oil-fired furnace, as well as links to manuals and error code tables, if available.
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Browse Parts for
NHOC100AJ01 (741971 - 741980) Oil-Fired Furnace
#19
Functional replacement parts diagram
Nozzle
Part #638238
The manufacturer no longer makes this part, and there's no substitute part
#23
Functional replacement parts diagram
F&l control
Part #638011
The manufacturer no longer makes this part, and there's no substitute part
#10
Functional replacement parts diagram
Fan relay
Part #92840
The manufacturer no longer makes this part, and there's no substitute part
#4
Functional replacement parts diagram
Air filter
Part #64502
The manufacturer no longer makes this part, and there's no substitute part
#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.
$446.79
In Stock
#7
Blower assembly diagram
Coupling
Part #97079
Replaced by #610466
?
Manufacturer substitution
This part replaces 97079. Substitute parts can look different from the original.
$31.62
In Stock
#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.
$198.93
In Stock
#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.
$92.00
In Stock
#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.
$76.89
In Stock
#19B
Non-functional replacement parts diagram
Front panel
Part #638208
The manufacturer no longer makes this part, and there's no substitute part
Symptoms for gas cooktops
Main causes: burner igniter switch failure, bad spark module, dirty or damaged spark electrode, wiring failure, lack of …
Main causes: gas supply problem, faulty pressure regulator, clogs in burner or orifice, burner valve failure…
Main causes: stuck burner igniter switch, wet igniter switch contacts, faulty spark module…
Repair guides for gas cooktops

How to replace a spark igniter switch on a gas cooktop
Follow these step-by-step instructions to fix the surface burner ignition system on your gas cooktop by replacing the sp…
Repair difficulty
Time required
45 minutes or less

How to replace a spark module on a gas cooktop
No flame on your gas cooktop? Installing a new spark module could be the fix you need.…
Repair difficulty
Time required
30 minutes or less
Effective articles & videos to help repair your furnaces

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

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

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