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Arcoaire
Furnace

Model # GUJ125N20B1 Official Arcoaire furnace

Here are the diagrams and repair parts for Official Arcoaire GUJ125N20B1 furnace, as well as links to manuals and error code tables, if available.

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Model diagram and schematic

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ALL PARTS
Showing 10 of 63 parts  |
Furnace Burner 1008726

#12

All parts diagram

Furnace burner

Part #1008726

$142.32
In Stock
Panel Cutoff 721020008

#CC

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Panel cutoff

Part #721020008

$252.09
In Stock
Switch Doo 1010712

#3

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Switch doo

Part #1010712

$28.69
In Stock
Tubing 64930

#11

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Tubing

Part #64930

$77.80
In Stock
Furnace Blower Comb 1010239

#19

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Furnace blower comb

Part #1010239

$383.32
In Stock
Gskt Htx Bnr 2480907

#F

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Gskt htx bnr

Part #2480907

This item is not returnable
$7.46
In Stock
Rail Galv Bl 57059

#EE

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Rail galv bl

Part #57059

$952.55
In Stock
Switch 1005548

#22

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Switch

Part #1005548

Replaced by #1013101

?
Manufacturer substitution
This part replaces 1005548. Substitute parts can look different from the original.
$19.09
In Stock
Filter Rack 741010039

#U

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Filter rack

Part #741010039

Replaced by #741010039

?
Manufacturer substitution
This part replaces 741010039. Substitute parts can look different from the original.
$47.60
In Stock
Cap Rnrd 1094956

#6

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Cap rnrd

Part #1094956

Replaced by #12908

?
Manufacturer substitution
This part replaces 1094956. Substitute parts can look different from the original.
This item is not returnable
$5.26 | 
16% OFF Phone Price : $6.26
In Stock

Symptoms for gas ranges

Why won't my range's gas burner spark or ignite?

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

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Why isn't my range's gas burner heating properly?

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

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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.…

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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…

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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.…

Read more
Repair difficulty
Time required
 45 minutes or less

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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.…

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

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