Wall Heater

Model # GUPS120-4 Official GMC gas furnace

Here are the diagrams and repair parts for Official GMC GUPS120-4 gas furnace, as well as links to manuals and error code tables, if available.

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Browse Parts for
GUPS120-4 Gas Furnace
Motor B13400-12
#2

Blower assembly diagram

Motor

Part #B13400-12

Replaced by #B13400-21S

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Manufacturer substitution
This part replaces B13400-12. Substitute parts can look different from the original.
In Stock
Blower Shell 18393-00
#7B

Blower assembly diagram

Blower shell

Part #18393-00

Replaced by #0271A00016S

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Manufacturer substitution
This part replaces 18393-00. Substitute parts can look different from the original.
$120.53 | 
9% OFF Phone Price : $132.53
In Stock
Blower Wheel B13680-16
#3A

Blower assembly diagram

Blower wheel

Part #B13680-16

Replaced by #B1368016S

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Manufacturer substitution
This part replaces B13680-16. Substitute parts can look different from the original.
In Stock
Capacitor 15 B9456-53
#1B

Blower assembly diagram

Capacitor 15

Part #B9456-53

Replaced by #12910

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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
Gas Valve 12826-06S
#1A

Gas train diagram

Gas valve

Part #12826-06S

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

Limit, 150f, B13700-06
#2A

Heat exchanger assembly diagram

Limit, 150f,

Part #B13700-06

Replaced by #1370906S

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Manufacturer substitution
This part replaces B13700-06. Substitute parts can look different from the original.
In Stock
Blower Wheel B13680-47
#3D

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
Blower Wheel B13680-42
#3

Blower assembly diagram

Blower wheel

Part #B13680-42

Replaced by #B1368042S

?
Manufacturer substitution
This part replaces B13680-42. Substitute parts can look different from the original.
In Stock
Transformer B11416-00
#1

Misc. electrical and hardware diagram

Transformer

Part #B11416-00

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

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.
In Stock

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