Rheem Furnace Parts — Browse All Models

Troubleshooting common Rheem furnace problems

A malfunctioning furnace can be frustrating, especially during cold weather. Identifying the cause of the problem is the first step toward getting your furnace back in working order. Here are some common furnace issues and their solutions:

• Furnace not blowing hot air. If your furnace isn’t blowing hot air, check the thermostat settings and ensure the air filter isn’t clogged. Restricted airflow from a dirty filter can prevent the furnace from heating efficiently. A faulty blower motor or igniter might also be the issue.
• Furnace won’t turn on. If your furnace won’t turn on, ensure the circuit breaker isn’t tripped and check the cut-off switch near the furnace. A malfunctioning thermostat or electronic control board could also prevent the furnace from starting.
• Furnace burners won’t stay lit. If the burners won’t stay lit, inspect the flame sensor for dirt or damage. Cleaning or replacing the flame sensor often resolves this issue.

Commonly replaced Rheem furnace parts

Regular maintenance and timely replacements of worn components keep your Rheem furnace running smoothly. Here are some essential parts:

• Electronic control board. This board manages the furnace’s operations and ensures safety. Replace it if the furnace operates erratically or not at all.
• Air filter. A clean air filter promotes efficient airflow and prevents debris from damaging internal components. Replace it regularly for optimal performance.
• Blower motor. The blower circulates heated air through your home. Replace it if it becomes noisy or stops working entirely.
• Primary burner. The burner generates heat for the furnace. Replace a malfunctioning burner to restore heating capability.
• Control thermostat. This thermostat cycles the furnace on and off based on the room temperature. A faulty thermostat may need to be replaced to restore proper function.

Trust Sears PartsDirect for your Rheem furnace parts

Sears PartsDirect offers a wide selection of genuine Rheem furnace parts to ensure a precise fit and reliable performance. With our detailed parts diagrams and high-quality components, completing your DIY repair is easier than ever.

For more troubleshooting tips and repair guidance, visit our DIY repair help page. Whether you’re replacing a single component or addressing a more complex issue, Sears PartsDirect has the parts and resources to help you keep your Rheem furnace running efficiently.