This article is to help you understand what an RTD is and how it works.
What Is an RTD?
An RTD is the temperature sensor used in Traeger's non-WiFIRE grills and Woodridge series grills. It is an acronym for Resistance Temperature Detector.
RTDs come in two sizes: 2" and 7" and sit vertically inside the grill. The RTD is located inside the grill barrel.
Junior & Tailgater RTD
Because Junior and Tailgater grills are shipped with the HBA inside of the barrel, the RTD actually comes in two pieces that connect when assembling the grill.
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Learn More About RTDs
RTD Location
- Non-WiFIRE AC grills: Inside the grill barrel on the lefthand side.
- Woodridge Series and Westwood Series Grills: Inside the grill barrel on the righthand side.
The RTD sits vertically inside the grill and is easy to see.
RTD Behavior
Normal RTD Behavior
The RTD measures the internal grill temperature and sends it to the controller. The controller shows the correct RTD reading in 5°F increments.
If the controller reads 245°F, the grill is 245°F.
A normal RTD keeps the temperature close to the set temp. Spikes or drops after lid openings or temperature changes are normal and will stabilize.
Abnormal RTD Behavior
- Temperature jumps unpredictably by more than 4°F. See Grill Temperature Jumping Back and Forth Erratically-
- Controller consistently shows a temperature much higher or lower than the set temp.
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Non-Connected Grills
Non-WiFIRE Grill Running Too Cool
Non-WiFIRE Grill Running Too Hot -
Woodridge Series and Westwood Series Grills
WiFIRE Grill Running Too Cool
WiFIre Grill Running Too Hot
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Non-Connected Grills
RTD Damage
If visible damage is seen to the thermocouple or the thermocouple wiring, see Damage on RTD or Thermocouple.
Cleaning an RTD
RTDs are sensitive. Avoid cleaning unless there is heavy grease buildup.
If needed:
- Use an all-natural degreaser or a small amount of rubbing alcohol.
- Wipe gently.
Replacing an RTD
See these articles:
- Non-WiFIRE Grills: RTD Replacements
- Woodridge Series Grills: RTD Replacements - Woodridge Series
- Westwood Series Grills: RTD Replacement- Westwood Series