Here are the diagrams and repair parts for Official GE NCUC30BT400 gas furnace/heater, as well as links to manuals and error code tables, if available.
There are a couple of ways to find the part or diagram you need:
Not all parts are shown on the diagrams—those parts are labeled NI, for “not illustrated”.
We encourage you to save the model to your profile, so it’s easy to access parts and manuals for your appliance whenever you log in.
For DIY troubleshooting advice and repair guides, visit our repair help section.
Room air conditioner diagram
Part #79L06
Room air conditioner diagram
Part #12J18
Room air conditioner diagram
Part #31-5000644
The manufacturer no longer makes this part, and there's no substitute part
Main causes: impact from dropping an item on the glass surface, ceramic glass surface flaw, surface element temperature …
Main causes: faulty surface element, burner control switch failure, temperature limiter not working properly, loose wiri…
If the element on your glass cooktop isn't heating up even though it gets power, replace it yourself, in about 45 minute…
If the electronic oven control board isn't powering the bake and broil functions, you can replace it in less than half a…
Easily replace a coil surface element in 15 minutes or less by following these step-by-step instructions.…
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.…