17 parts · from published codes

Part finder

Each part below is listed only where a published code's manufacturer document names that part. The sentence on the part page is the wording taken from that document, and the link is the document. A part that appears in our notes but is not named in that text is left off. Cleaning materials such as steel wool stay on the code page; they are not treated as the failed part.

Updated

Furnaces13 parts

Technician
Flame sensor

22 codes name this part in the manufacturer document.

Technician
Hot surface igniter

14 codes name this part in the manufacturer document.

Technician
Pressure switch

29 codes name this part in the manufacturer document.

Technician
Pressure switch hose

17 codes name this part in the manufacturer document.

Technician
Inducer (draft) motor

21 codes name this part in the manufacturer document.

Homeowner check
Furnace air filter

11 codes name this part in the manufacturer document.

Technician
Limit switch

11 codes name this part in the manufacturer document.

Technician
Rollout switch

10 codes name this part in the manufacturer document.

Technician
Blower motor

16 codes name this part in the manufacturer document.

Technician
Run capacitor

5 codes name this part in the manufacturer document.

Technician
Control board

22 codes name this part in the manufacturer document.

Technician
Control-board fuse

7 codes name this part in the manufacturer document.

Technician
Gas valve

20 codes name this part in the manufacturer document.

Washing machines2 parts

Homeowner check
Washer inlet hose

3 codes name this part in the manufacturer document.

Homeowner check
Washer drain hose

4 codes name this part in the manufacturer document.

Dishwashers2 parts

Homeowner check
Dishwasher inlet hose

5 codes name this part in the manufacturer document.

Homeowner check
Dishwasher drain hose

4 codes name this part in the manufacturer document.

Related: parts and tools guides · furnace no heat, winter 2026 · all codes

SafetyGas valve, venting, pressure-switch, limit, rollout and control-board work belongs to a licensed technician. These pages name the part the manual names. They are not repair instructions.