Masterbuilt Gravity Series™ ThermoTemp XL Propane Smoker

The MPS 340G makes gas smoking simple and safe. No more monitoring or adjusting the temperature. Patented ThermoTemp innovation lets you set the temperature and walk away. The safety shut-off valve provides a safe smoking experience while the four smoking racks provide plenty of room to smoke up to 16 chickens, 6 turkeys, 8 racks of ribs, or 8 pork butts. Master the art of smoking with Masterbuilt.


  • Temperature sensor controls burner to maintain the desired temperature
  • A safety valve shuts off the burner if the flame is extinguished
  • Up to 57 hours of cook time (based on 430,000 BTUs when full, 7,500 BTUs/hour)
  • Four chrome-coated smoking racks
  • Heat diffuser evenly distributes heat from burner
  • Large door latch to open and close doors with one hand
  • 15,750 BTU stainless steel burner
  • Handle and wheels make moving smoker easy
  • Propane tank retention bracket provides stability for propane tank
  • Stainless steel wood chip tray mounted on lower door for easy access
  • Side-mounted grease tray for easy access and quick cleanup
  • Type 1 regulator with hose


Model Number: MB20054018
Width: 59cm
Height: 83cm
Depth: 45cm

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