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The 40-inch Thermotemp XL smoker makes propane 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.
Features
- Temperature sensor controls burner to maintain the desired temperature
- A safety valve shuts off the burner if the flame is extinguished
- Tank fuel level gauge indicates the amount of propane in the tank
- 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 the 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
MPS 340|G ThermoTemp XL Propane Smoker
Thermostatically-controlled propane smoking
Old school technique. New school technology.
|
![]() |
Thermostat Temperature Control Dial it into perfection Patented thermostat-controlled temperature - no need to manually adjust as with traditional propane smokers and no electricity required |
![]() |
Fuel Level Eliminate the guesswork The fuel level gauge indicates the amount of propane remaining in the tank |
![]() |
Four Racks Feed a couple or crowd Four chrome-coated smoking racks |
![]() |
FEED A COUPLE OR A CROWD




Specifications
Model | MB20051316 |
Width | 28.74"/72cm |
Height | 52.953"/134cm |
Length | 22.4"/67cm |
Fuel Type | Charcoal |
Warranty | 1 year limited |
Documents & Files
Manual
Warning
Shipping | This item ships to |
Delivery | Estimated between and . Will usually ship within 1 business day. |
Description

The 40-inch Thermotemp XL smoker makes propane 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.
Features
- Temperature sensor controls burner to maintain the desired temperature
- A safety valve shuts off the burner if the flame is extinguished
- Tank fuel level gauge indicates the amount of propane in the tank
- 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 the 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
MPS 340|G ThermoTemp XL Propane Smoker
Thermostatically-controlled propane smoking
Old school technique. New school technology.
|
![]() |
Thermostat Temperature Control Dial it into perfection Patented thermostat-controlled temperature - no need to manually adjust as with traditional propane smokers and no electricity required |
![]() |
Fuel Level Eliminate the guesswork The fuel level gauge indicates the amount of propane remaining in the tank |
![]() |
Four Racks Feed a couple or crowd Four chrome-coated smoking racks |
![]() |
FEED A COUPLE OR A CROWD




Specifications
Model | MB20051316 |
Width | 28.74"/72cm |
Height | 52.953"/134cm |
Length | 22.4"/67cm |
Fuel Type | Charcoal |
Warranty | 1 year limited |
Documents & Files
Manual
Warning
Shipping
Shipping | This item ships to |
Delivery | Estimated between and . Will usually ship within 1 business day. |