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Coleman
Furnace

Model # DGAA077BDTB Official Coleman furnace

Here are the diagrams and repair parts for Official Coleman DGAA077BDTB furnace, as well as links to manuals and error code tables, if available.

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Installation guide
Owner’s manual

Model diagram and schematic

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Showing 10 of 40 parts  |
Furnace Upper Door Panel 7900-7631
#17

Furnace assy diagram

Furnace upper door panel

Part #7900-7631

$169.09 | 
7% OFF Phone Price : $181.09
In Stock
Furnace Door Panel, Lower 7900-7611
#18

Furnace assy diagram

Furnace door panel, lower

Part #7900-7611

$105.19 | 
10% OFF Phone Price : $117.19
In Stock
Rckr Switc 7681-3301
#11

Furnace assy diagram

Rckr switc

Part #7681-3301

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

Furnace Burner Lp Orifice 9951-0981
#NI

Furnace assy diagram

Furnace burner lp orifice

Part #9951-0981

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

Pressure Switch 32435972000
#1

Furnace assy diagram

Pressure switch

Part #32435972000

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

Gasket 01006900005
#NI

Furnace assy diagram

Gasket

Part #01006900005

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

Motor 1468-220P
#19

Furnace assy diagram

Motor

Part #1468-220P

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

Furnace Blower Fan Motor Mounting Kit (replaces 7670-5391) 37319806100
#20

Furnace assy diagram

Furnace blower fan motor mounting kit (replaces 7670-5391)

Part #37319806100

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

Tube,press 02812499000
#2

Furnace assy diagram

Tube,press

Part #02812499000

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

Valve 02543267000
#6

Furnace assy diagram

Valve

Part #02543267000

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

Symptoms for upright freezers

Why does my freezer have a sheet of ice at the bottom?

Main causes: clogged or frozen defrost drain tube…

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Repair guides for upright freezers

How to replace a freezer control panel

How to replace a freezer control panel

A freezer control panel that doesn’t show the temperature or respond when you press the buttons could be broken. This DI…

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Repair difficulty
Time required
 15 minutes or less
How to replace a freezer door switch

How to replace a freezer door switch

When the door switch fails, the freezer can’t detect that the door is closed. Follow the steps in this repair guide to r…

Read more
Repair difficulty
Time required
 15 minutes or less
How to replace a freezer thermistor

How to replace a freezer thermistor

When the thermistor can’t sense the freezer temperature, the freezer is colder or warmer than the set temperature. Follo…

Read more
Repair difficulty
Time required
 45 minutes or less

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How to get your furnace ready for winter

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

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