Why DDR BBQ Supply?
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35+ Years of Smoking Experience
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Trusted by 10,000+ BBQ Enthusiasts
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Handpicked for Quality & Performance
Green Mountain Grills Thermal Sensor P-1209 is the factory replacement temperature probe designed for Prime and Prime+ 12V pellet grill models. If your grill is showing incorrect temperatures, struggling to hold set temps, or displaying sensor errors, this replacement part restores accurate heat readings and consistent performance.
Built for PEAK/JB and LEDGE/DB Prime and Prime+ 12V grills, this thermal sensor ensures your controller receives precise temperature data so your grill can maintain steady cooking conditions.
Why You’ll Love It- Factory replacement thermal sensor for GMG Prime and Prime+ 12V grills
- Restores accurate temperature readings
- Helps maintain consistent cooking performance
- Direct-fit replacement for easy installation
- Designed for reliable long-term use
- PEAK Prime and Prime+ 12V grills
- Jim Bowie Prime and Prime+ 12V grills
- LEDGE Prime and Prime+ 12V grills
- Daniel Boone Prime and Prime+ 12V grills
- If your grill shows erratic temperatures, inspect the sensor for buildup or damage.
- Replace the sensor if temperature swings persist after cleaning.
- Always disconnect power before installing replacement electrical components.
- Owners of GMG Prime or Prime+ 12V pellet grills
- Grill users experiencing inaccurate temperature readings
- DIY grill maintenance and repair customers
- Anyone restoring proper temperature control to their pellet grill
Which grills does this thermal sensor fit?
It fits PEAK/JB and LEDGE/DB Prime and Prime+ 12V models.
What does the thermal sensor do?
The thermal sensor measures the internal grill temperature and sends that data to the controller to regulate heat.
When should I replace the thermal sensor?
Replace it if your grill displays incorrect temperatures, shows sensor errors, or struggles to maintain consistent heat.
Is this an official replacement part?
Yes. It is a factory-compatible replacement designed for supported GMG Prime and Prime+ 12V models.
Why DDR BBQ Supply?
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35+ Years of Smoking Experience
-
Trusted by 10,000+ BBQ Enthusiasts
-
Handpicked for Quality & Performance
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Texas-Born. BBQ Bred.
With over 35 years of smoking experience, we started DDR BBQ Supply with a simple goal: to help others cook better barbecue. We've spent decades learning what works and what doesn't, and we apply that knowledge to every product we carry. From high-performance grills and smokers to carefully selected rubs, sauces, and tools, everything we offer is something we believe in and use ourselves. We don’t believe in cutting corners or selling gear we wouldn’t rely on during our own backyard cooks and when we compete in BBQ competitions.