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GMC
Furnace

Model # GUS125-5 Official GMC gas furnace

Here are the diagrams and repair parts for Official GMC GUS125-5 gas 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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Showing 10 of 115 parts  |
Transformer B11416-00
#1

Misc. electrical/hardware diagram

Transformer

Part #B11416-00

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

Blower Wheel B13680-47
#3C

Blower assembly diagram

Blower wheel

Part #B13680-47

Replaced by #D6723306S

?
Manufacturer substitution
This part replaces B13680-47. Substitute parts can look different from the original.
$119.58 | 
9% OFF Phone Price : $131.58
In Stock
Hot Surface B14010-09
#2

Gas train diagram

Hot surface

Part #B14010-09

Replaced by #41-412

?
Manufacturer substitution
This part replaces B14010-09. Substitute parts can look different from the original.
$49.15 | 
11% OFF Phone Price : $55.15
In Stock
Capacitor 15 B9456-53
#1B

Blower assembly diagram

Capacitor 15

Part #B9456-53

Replaced by #12910

?
Manufacturer substitution
This part replaces B9456-53. Substitute parts can look different from the original.
$8.37 | 
11% OFF Phone Price : $9.37
In Stock
Furnace Inducer Vent Motor Assembly B1859001S
#9

Misc. electrical/hardware diagram

Furnace inducer vent motor assembly

Part #B1859001S

$1126.40
In Stock
Limit, 150f, B13700-06
#2B

Heat exchanger assembly diagram

Limit, 150f,

Part #B13700-06

Replaced by #1370906S

?
Manufacturer substitution
This part replaces B13700-06. Substitute parts can look different from the original.
$48.84
In Stock
Heat Exchange 18212-31S
#4C

Heat exchanger assembly diagram

Heat exchange

Part #18212-31S

Replaced by #0257F00067

?
Manufacturer substitution
This part replaces 18212-31S. Substitute parts can look different from the original.
$1620.55
In Stock
Motor B13400-12
#2

Blower assembly diagram

Motor

Part #B13400-12

Replaced by #B13400-21S

?
Manufacturer substitution
This part replaces B13400-12. Substitute parts can look different from the original.
$333.82
In Stock
Gas Orifice B17893-42
#4

Gas train diagram

Gas orifice

Part #B17893-42

Replaced by #B1789342

?
Manufacturer substitution
This part replaces B17893-42. Substitute parts can look different from the original.
$8.29
In Stock
Gas Valve 12826-06S
#1

Gas train diagram

Gas valve

Part #12826-06S

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

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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.…

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Repair difficulty
Time required
 15 minutes or less

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