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Goodman GUN100-4B gas furnace Parts
Here are the diagrams and repair parts for Goodman GUN100-4B gas furnace, as well as links to manuals and error code tables, if available.
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Browse Parts for GUN100-4B Gas Furnace
Heat exchanger assembly diagram
Secondary Ai
Part #18224-08
The manufacturer no longer makes this part, and there's no substitute part
Gas train diagram
Gas Burner
Part #B18225-01
The manufacturer no longer makes this part, and there's no substitute part
Gas train diagram
Manifold, 5
Part #B18264-15
The manufacturer no longer makes this part, and there's no substitute part
Heat exchanger assembly diagram
Burner Box T
Part #18823-02
The manufacturer no longer makes this part, and there's no substitute part
Blower assembly diagram
Connector Pl
Part #B13682-53
The manufacturer no longer makes this part, and there's no substitute part
Gas train diagram
Manifold, 4
Part #B18264-14
The manufacturer no longer makes this part, and there's no substitute part
Heat exchanger assembly diagram
Secondary He
Part #B18646-02
The manufacturer no longer makes this part, and there's no substitute part
Casing diagram
Control Acce
Part #18813-12P
The manufacturer no longer makes this part, and there's no substitute part
Gas train diagram
Manifold, 3
Part #B18264-17
The manufacturer no longer makes this part, and there's no substitute part
Heat exchanger assembly diagram
Transfer Tub
Part #B18102-02
The manufacturer no longer makes this part, and there's no substitute part
Symptoms for gas cooktops
Main causes: burner igniter switch failure, bad spark module, dirty or damaged spark electrode, wiring failure, lack of …
Main causes: stuck burner igniter switch, wet igniter switch contacts, faulty spark module…
Main causes: gas supply problem, faulty pressure regulator, clogs in burner or orifice, burner valve failure…
Repair guides for gas cooktops
How to replace a spark module on a gas cooktop
No flame on your gas cooktop? Installing a new spark module could be the fix you need.…
Repair time and Difficulty
30 minutes or less
How to replace a spark igniter switch on a gas cooktop
Follow these step-by-step instructions to fix the surface burner ignition system on your gas cooktop by replacing the sp…
Repair time and Difficulty
45 minutes or less
Effective articles & videos to help repair your furnaces
Get expert tips for preparing your furnace for winter. Follow maintenance tips to keep your furnace in top shape.…
Learn about Sears Technical Institute and the advanced technical content being developed for aspiring appliance techs.…
Get answers to frequently asked questions about Sears and Sears PartsDirect.…
Parts & More
Parts
Muffler 7072455YPHome Electronics Housing WEH621B3078Control Trim WB36K11025Plug Cover 63347-ZT3-C01Home Electronics Connector VJS23Kit (z) TXAJT021112Home Electronics Connector 142716No Long Ava 0897036A37Home Electronics Coil 20-3924Home Electronics Connector 228142Home Electronics Capacitor 31A16221Variable Pump PR-2HAD-GY1C-XXXXHome Electronics Spacer 141-2-352T-72800Product Manual G309-100801-W1LABEL,BAR TLABR1374AWZZ921-00500 121-1092Tbm27024 1390290A96Home Electronics Cathode Ray Tube Bracket TUW81947Trim Ring WPW10159209Lead Connector AA39-20029A