![](assets/images/dx3l series model.jpg)
DX3L-20-50
- Gas: Natural or propane
- BTU/h input: 50,000
- Length: 21'-9"
- Weight: 120
- *Mounting heights: 9'-14'
- Combustion chamber: aluminized steel
- Radiant emitter tubes: 16 ga. 4" aluminized steel
![](assets/images/dx3l series model.jpg)
DX3L-20-50
- Gas: Natural or propane
- BTU/h input: 50,000
- Length: 21'-9"
- Weight: 120
- *Mounting heights: 9'-14'
- Combustion chamber: aluminized steel
- Radiant emitter tubes: 16 ga. 4" aluminized steel
![](assets/images/dx3l series model.jpg)
DX3L-20-50
- Gas: Natural or propane
- BTU/h input: 50,000
- Length: 21'-9"
- Weight: 120
- *Mounting heights: 9'-14'
- Combustion chamber: aluminized steel
- Radiant emitter tubes: 16 ga. 4" aluminized steel
![](assets/images/dx3l series model.jpg)
DX3L-30-50
- Gas: Natural or propane
- BTU/h input: 50,000
- Length: 31'-5"
- Weight: 120
- *Mounting heights: 10'-15'
- Combustion chamber: aluminized steel
- Radiant emitter tubes: 16 ga. 4" aluminized steel
![](assets/images/dx3l series model.jpg)
DX3L-30-60
- Gas: Natural or propane
- BTU/h input: 60,000
- Length: 31'-5"
- Weight: 160
- *Mounting heights: 11'-18'
- Combustion chamber: aluminized steel
- Radiant emitter tubes: 16 ga. 4" aluminized steel
![](assets/images/dx3l series model.jpg)
DX3L-30-75
- Gas: Natural or propane
- BTU/h input: 75,000
- Length: 31'-5"
- Weight: 160
- *Mounting heights: 12'-20'
- Combustion chamber: aluminized steel
- Radiant emitter tubes: 16 ga. 4" aluminized steel
![](assets/images/dx3l series model.jpg)
DX3L-30-100
- Gas: Natural or propane
- BTU/h input: 75,000
- Length: 31'-5"
- Weight: 160
- *Mounting heights: 13'-23'
- Combustion chamber: aluminized steel
- Radiant emitter tubes: 16 ga. 4" aluminized steel
![](assets/images/dx3l series model.jpg)
DX3L-30-125
- Gas: Natural or propane
- BTU/h input: 100,000
- Length: 31'-5"
- Weight: 160
- *Mounting heights: 14'-25'
- Combustion chamber: aluminized steel
- Radiant emitter tubes: 16 ga. 4" aluminized steel
![](assets/images/dx3l series model.jpg)
DX3L-40-50
- Gas: Natural or propane
- BTU/h input: 50,000
- Length: 41'-1"
- Weight: 190
- *Mounting heights: 11'-18'
- Combustion chamber: aluminized steel
- Radiant emitter tubes: 16 ga. 4" aluminized steel
![](assets/images/dx3l series model.jpg)
DX3L-40-75
- Gas: Natural or propane
- BTU/h input: 75,000
- Length: 41'-1"
- Weight: 190
- *Mounting heights: 12'-20'
- Combustion chamber: aluminized steel
- Radiant emitter tubes: 16 ga. 4" aluminized steel
![](assets/images/dx3l series model.jpg)
DX3L-40-100
- Gas: Natural or propane
- BTU/h input: 100,000
- Length: 41'-1"
- Weight: 190
- *Mounting heights: 13'-23'
- Combustion chamber: aluminized steel
- Radiant emitter tubes: 16 ga. 4" aluminized steel
![](assets/images/dx3l series model.jpg)
DX3L-40-125
- Gas: Natural or propane
- BTU/h input: 125,000
- Length: 41'-1"
- Weight: 190
- *Mounting heights: 14'-25'
- Combustion chamber: aluminized steel
- Radiant emitter tubes: 16 ga. 4" aluminized steel
![](assets/images/dx3l series model.jpg)
DX3L-40-150
- Gas: Natural or propane
- BTU/h input: 150,000
- Length: 41'-1"
- Weight: 190
- *Mounting heights: 15'-27'
- Combustion chamber: titanium coated steel
- Radiant emitter tubes: 16 ga. 4" aluminized steel
![](assets/images/dx3l series model.jpg)
DX3L-40-175
- Gas: Natural or propane
- BTU/h input: 175,000
- Length: 41'-1"
- Weight: 190
- *Mounting heights: 16'-30'
- Combustion chamber: titanium coated steel
- Radiant emitter tubes: 16 ga. 4" aluminized steel
![](assets/images/dx3l series model.jpg)
DX3L-50-100
- Gas: Natural or propane
- BTU/h input: 100,000
- Length: 50'-9"
- Weight: 235
- *Mounting heights: 15'-27'
- Combustion chamber: aluminized steel
- Radiant emitter tubes: 16 ga. 4" aluminized steel
![](assets/images/dx3l series model.jpg)
DX3L-50-125
- Gas: Natural or propane
- BTU/h input: 125,000
- Length: 50'-9"
- Weight: 235
- *Mounting heights: 15'-27'
- Combustion chamber: aluminized steel
- Radiant emitter tubes: 16 ga. 4" aluminized steel
![](assets/images/dx3l series model.jpg)
DX3L-50-150
- Gas: Natural or propane
- BTU/h input: 150,000
- Length: 50'-9"
- Weight: 235
- *Mounting heights: 16'-30'
- Combustion chamber: titanium coated steel
- Radiant emitter tubes: 16 ga. 4" aluminized steel
![](assets/images/dx3l series model.jpg)
DX3L-50-175
- Gas: Natural or propane
- BTU/h input: 175,000
- Length: 50'-9"
- Weight: 235
- *Mounting heights: 17'-35'
- Combustion chamber: titanium coated steel
- Radiant emitter tubes: 16 ga. 4" aluminized steel
![](assets/images/dx3l series model.jpg)
DX3L-50-200
- Gas: Natural or propane
- BTU/h input: 200,000
- Length: 50'-9"
- Weight: 235
- *Mounting heights: 18'-40'
- Combustion chamber: titanium coated steel
- Radiant emitter tubes: 16 ga. 4" aluminized steel
![](assets/images/dx3l series model.jpg)
DX3L-60-125
- Gas: Natural or propane
- BTU/h input: 125,000
- Length: 60'-5"
- Weight: 265
- *Mounting heights: 16'-30'
- Combustion chamber: aluminized steel
- Radiant emitter tubes: 16 ga. 4" aluminized steel
![](assets/images/dx3l series model.jpg)
DX3L-60-150
- Gas: Natural or propane
- BTU/h input: 150,000
- Length: 60'-5"
- Weight: 265
- *Mounting heights: 17'-35'
- Combustion chamber: titanium coated steel
- Radiant emitter tubes: 16 ga. 4" aluminized steel
![](assets/images/dx3l series model.jpg)
DX3L-60-175
- Gas: Natural or propane
- BTU/h input: 175,000
- Length: 60'-5"
- Weight: 265
- *Mounting heights: 17'-35'
- Combustion chamber: titanium coated steel
- Radiant emitter tubes: 16 ga. 4" aluminized steel
![](assets/images/dx3l series model.jpg)
DX3L-60-200
- Gas: Natural or propane
- BTU/h input: 200,000
- Length: 60'-5"
- Weight: 265
- *Mounting heights: 18'-40'
- Combustion chamber: titanium coated steel
- Radiant emitter tubes: 16 ga. 4" aluminized steel
![](assets/images/dx3l series model.jpg)
DX3L-70-175
- Gas: Natural or propane
- BTU/h input: 175,000
- Length: 70'-1"
- Weight: 300
- *Mounting heights: 18'-40'
- Combustion chamber: titanium coated steel
- Radiant emitter tubes: 16 ga. 4" aluminized steel
![](assets/images/dx3l series model.jpg)
DX3L-70-200
- Gas: Natural or propane
- BTU/h input: 200,000
- Length: 70'-1"
- Weight: 300
- *Mounting heights: 19'-42'
- Combustion chamber: titanium coated steel
- Radiant emitter tubes: 16 ga. 4" aluminized steel
![](assets/images/dx3l series model.jpg)
DX3L-80-200
- Gas: Natural or propane
- BTU/h input: 200,000
- Length: 79'-9"
- Weight: 330
- *Mounting heights: 20'-45'
- Combustion chamber: titanium coated steel
- Radiant emitter tubes: 16 ga. 4" aluminized steel
* Mounting heights are provided as a guideline. Actual conditions may dictate variations from the above data. Always maintain the published clearances to combustibles. Not for residential use.
Clearance to combustibles
![](assets/images/dx3l series model.jpg)
DX3L (20, 30, 40) - 50, 60
Mount angle |
Sides | Top | Below |
0° |
9" | 6" | 47" |
45° | Front 39" Back 8" | 10" | 47" |
0° 1 side shield | Front 29"
Back 8" | 6" | 47" |
0° 2 side shields | 9" | 6" | 47" |
0° 20 ft from burner | 7" | 6" | 30" |
![](assets/images/dx3l series model.jpg)
DX3L (20, 30, 40)-75
Mount angle |
Sides | Top | Below |
0° |
9" | 6" | 60" |
45° | Front 39" Back 8" | 10" | 60" |
0° 1 side shield | Front 29"
Back 8" | 6" | 60" |
0° 2 side shields | 9" | 6" | 60" |
0° 20 ft from burner | 7" | 6" | 30" |
![](assets/images/dx3l series model.jpg)
DX3L (30, 40, 50)-100
Mount angle |
Sides | Top | Below |
0° |
14" | 6" | 66" |
45° | Front 39" Back 8" | 10" | 66" |
0° 1 side shield | Front 29"
Back 8" | 6" | 66" |
0° 2 side shields | 9" | 6" | 66" |
0° 20 ft from burner | 7" | 6" | 30" |
![](assets/images/dx3l series model.jpg)
DX3L (30, 40, 50, 60)-125
Mount angle |
Sides | Top | Below |
0° |
20" | 6" | 76" |
45° | Front 58" Back 8" | 10" | 76" |
0° 1 side shield | Front 42"
Back 8" | 6" | 76" |
0° 2 side shields | 20" | 6" | 76" |
0° 20 ft from burner | 7" | 6" | 30" |
![](assets/images/dx3l series model.jpg)
DX3L (40, 50, 60)-150
Mount angle |
Sides | Top | Below |
0° |
24" | 6" | 81" |
45° | Front 58" Back 8" | 10" | 81" |
0° 1 side shield | Front 42"
Back 8" | 6" | 81" |
0° 2 side shields | 23" | 6" | 81" |
0° 20 ft from burner | 11" | 6" | 44" |
![](assets/images/dx3l series model.jpg)
DX3L (40, 50, 60, 70)-175
Mount angle |
Sides | Top | Below |
0° |
34" | 6" | 92" |
45° | Front 63" Back 8" | 10" | 92" |
0° 1 side shield | Front 54"
Back 8" | 6" | 92" |
0° 2 side shields | 30" | 6" | 92" |
0° 20 ft from burner | 11" | 6" | 44" |
![](assets/images/dx3l series model.jpg)
DX3L (50, 60, 70, 80)-200
Mount angle |
Sides | Top | Below |
0° |
41" | 6" | 94" |
45° | Front 63" Back 8" | 10" | 94" |
0° 1 side shield | Front 54"
Back 8" | 6" | 94" |
0° 2 side shields | 30" | 6" | 94" |
0° 20 ft from burner | 11" | 6" | 44" |
Clearances published in DX3L Series manual and on warning label supersede data shown on this brochure. Reference DX3L Series installation manual for complete information.
Heaters mounted on an angle between 0º and 45º must maintain clearances posted for 0º or 45º, whichever is greater.