Furnace

Model # GDT045-3B Official Goodman gas furnace

Here are the diagrams and repair parts for Official Goodman GDT045-3B gas furnace, as well as links to manuals and error code tables, if available.

By Schematic
SELECT DIAGRAM
?

This is the number corresponding to the part on the diagram / schematic

Browse Parts for
GDT045-3B Gas Furnace
Furnace Hot-surface Ignition Control Board (replaces 18099-13s, B18099-13s) B1809913S
#291

Misc. components/drain kit assembly diagram

Furnace hot-surface ignition control board (replaces 18099-13s, b18099-13s)

Part #B1809913S

This item is not returnable
$196.87
6% OFF Phone Price : $208.87
In Stock
Motor B4059001
#111

Heat exchanger assembly diagram

Motor

Part #B4059001

Replaced by #0131M00002PSP

?
Manufacturer substitution
This part replaces B4059001. Substitute parts can look different from the original.
$158.40
7% OFF Phone Price : $170.40
In Stock
Wheel Blow B1368016
#241B

Blower assembly diagram

Wheel blow

Part #B1368016

Replaced by #B1368016S

?
Manufacturer substitution
This part replaces B1368016. Substitute parts can look different from the original.
In Stock
Exchanger 4021312S
#61F

Heat exchanger assembly diagram

Exchanger

Part #4021312S

In Stock
Furnace Door Switch B1370819
#331

Misc. components/drain kit assembly diagram

Furnace door switch

Part #B1370819

$39.14
13% OFF Phone Price : $45.14
In Stock
Furnace Temperature Limit Switch B1370198
#91

Heat exchanger assembly diagram

Furnace temperature limit switch

Part #B1370198

In Stock
Goodman Gas Manifold-6 Cell B4026009
#191I

Burner box assembly diagram

Goodman gas manifold-6 cell

Part #B4026009

In Stock
Furnace Primary Thermal Limit Switch B1370188
#91B

Heat exchanger assembly diagram

Furnace primary thermal limit switch

Part #B1370188

In Stock
Manifold B4026002
#191D

Burner box assembly diagram

Manifold

Part #B4026002

In Stock
Switch B1370193
#91F

Heat exchanger assembly diagram

Switch

Part #B1370193

In Stock

Symptoms for gas water heaters

Main causes: lack of combustion air, ventilation draft, bad thermocouple…

Effective articles & videos to help repair your furnaces

How to get your furnace ready for winter

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.…

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

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

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

Top questions about Sears and Sears PartsDirect

Top questions about Sears and Sears PartsDirect

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