DET3 Series models

DET3-20-65


  • Gas: natural or propane
  • BTU/h high fire: 65,000
  • BTU/h low fire: 50,000
  • Length: 21'-9"
  • Weight: 120 lbs
  • *Mounting heights: 9'-14'
  • Combustion chamber: aluminized steel or titanium treated steel 
  • Radiant emitter tubes: 16 ga. 4” O.D. hot-rolled steel

DET3-20-75


  • Gas: natural or propane
  • BTU/h high fire: 55,000
  • BTU/h low fire: 50,000
  • Length: 21'-9"
  • Weight: 120 lbs
  • *Mounting heights: 10'-15'
  • Combustion chamber: aluminized steel or titanium treated steel 
  • Radiant emitter tubes: 16 ga. 4” O.D. hot-rolled steel

DET3-30-65


  • Gas: natural or propane
  • BTU/h high fire: 65,000
  • BTU/h low fire: 50,000
  • Length: 31'-5"
  • Weight: 160 lbs
  • *Mounting heights: 10'-15'
  • Combustion chamber: aluminized steel or titanium treated steel 
  • Radiant emitter tubes: 16 ga. 4” O.D. hot-rolled steel

DET3-30-75


  • Gas: natural or propane
  • BTU/h high fire: 75,000
  • BTU/h low fire: 50,000
  • Length: 31'-5"
  • Weight: 160 lbs
  • *Mounting heights: 11'-18'
  • Combustion chamber: aluminized steel or titanium treated steel 
  • Radiant emitter tubes: 16 ga. 4” O.D. hot-rolled steel

DET3-30-100


  • Gas: natural or propane
  • BTU/h high fire: 75,000
  • BTU/h low fire: 65,000
  • Length: 31'-5"
  • Weight: 160 lbs
  • *Mounting heights: 12'-20'
  • Combustion chamber: aluminized steel or titanium treated steel 
  • Radiant emitter tubes: 16 ga. 4” O.D. hot-rolled steel

DET3-30-125


  • Gas: natural or propane
  • BTU/h high fire: 125,000
  • BTU/h low fire: 82,000
  • Length: 31'-5"
  • Weight: 160 lbs
  • *Mounting heights: 13'-23'
  • Combustion chamber: aluminized steel or titanium treated steel 
  • Radiant emitter tubes: 16 ga. 4” O.D. hot-rolled steel

DET3-40-65


  • Gas: natural or propane
  • BTU/h high fire: 65,000
  • BTU/h low fire: 50,000
  • Length: 41'-1"
  • Weight: 190 lbs
  • *Mounting heights: 11'-18'
  • Combustion chamber: aluminized steel or titanium treated steel 
  • Radiant emitter tubes: 16 ga. 4” O.D. hot-rolled steel

DET3-40-75


  • Gas: natural or propane
  • BTU/h high fire: 75,000
  • BTU/h low fire: 50,000
  • Length: 41'-1"
  • Weight: 190 lbs
  • *Mounting heights: 11'-18'
  • Combustion chamber: aluminized steel or titanium treated steel 
  • Radiant emitter tubes: 16 ga. 4” O.D. hot-rolled steel

DET3-40-100


  • Gas: natural or propane
  • BTU/h high fire: 100,000
  • BTU/h low fire: 65,000
  • Length: 41'-1"
  • Weight: 190 lbs
  • *Mounting heights: 12'-20'
  • Combustion chamber: aluminized steel or titanium treated steel 
  • Radiant emitter tubes: 16 ga. 4” O.D. hot-rolled steel

DET3-40-125


  • Gas: natural or propane
  • BTU/h high fire: 125,000
  • BTU/h low fire: 82,000
  • Length: 41'-1"
  • Weight: 190 lbs
  • *Mounting heights: 13'-23'
  • Combustion chamber: aluminized steel or titanium treated steel 
  • Radiant emitter tubes: 16 ga. 4” O.D. hot-rolled steel

DET3-40-150


  • Gas: natural or propane
  • BTU/h high fire: 150,000
  • BTU/h low fire: 100,000
  • Length: 41'-1"
  • Weight: 190 lbs
  • *Mounting heights: 14'-25'
  • Combustion chamber: titanium treated steel 
  • Radiant emitter tubes: 16 ga. 4” O.D. hot-rolled steel

DET3-40-175


  • Gas: natural or propane
  • BTU/h high fire: 175,000
  • BTU/h low fire: 125,000
  • Length: 41'-1"
  • Weight: 190 lbs
  • *Mounting heights: 15'-27'
  • Combustion chamber: titanium treated steel 
  • Radiant emitter tubes: 16 ga. 4” O.D. hot-rolled steel

DET3-50-125


  • Gas: natural or propane
  • BTU/h high fire: 125,000
  • BTU/h low fire: 82,000
  • Length: 50'-9"
  • Weight: 235 lbs
  • *Mounting heights: 15'-27'
  • Combustion chamber: aluminized steel or titanium treated steel 
  • Radiant emitter tubes: 16 ga. 4” O.D. hot-rolled steel

DET3-50-150


  • Gas: natural or propane
  • BTU/h high fire: 150,000
  • BTU/h low fire: 100,000
  • Length: 50'-9"
  • Weight: 235 lbs
  • *Mounting heights: 15'-27'
  • Combustion chamber: titanium treated steel 
  • Radiant emitter tubes: 16 ga. 4” O.D. hot-rolled steel

DET3-50-175


  • Gas: natural or propane
  • BTU/h high fire: 175,000
  • BTU/h low fire: 125,000
  • Length: 50'-9"
  • Weight: 235 lbs
  • *Mounting heights: 16'-30'
  • Combustion chamber: titanium treated steel 
  • Radiant emitter tubes: 16 ga. 4” O.D. hot-rolled steel

DET3-50-200


  • Gas: natural or propane
  • BTU/h high fire: 200,000
  • BTU/h low fire: 145,000
  • Length: 50'-9"
  • Weight: 235 lbs
  • *Mounting heights: 17'-35'
  • Combustion chamber: titanium treated steel 
  • Radiant emitter tubes: 16 ga. 4” O.D. hot-rolled steel

DET3-60-150


  • Gas: natural or propane
  • BTU/h high fire: 150,000
  • BTU/h low fire: 100,000
  • Length: 60'-5"
  • Weight: 265 lbs
  • *Mounting heights: 16'-30'
  • Combustion chamber: titanium treated steel 
  • Radiant emitter tubes: 16 ga. 4” O.D. hot-rolled steel

DET3-60-175


  • Gas: natural or propane
  • BTU/h high fire: 175,000
  • BTU/h low fire: 125,000
  • Length: 60'-5"
  • Weight: 265 lbs
  • *Mounting heights: 16'-30'
  • Combustion chamber: titanium treated steel 
  • Radiant emitter tubes: 16 ga. 4” O.D. hot-rolled steel

DET3-60-200


  • Gas: natural or propane
  • BTU/h high fire: 200,000
  • BTU/h low fire: 145,000
  • Length: 60'-5"
  • Weight: 265 lbs
  • *Mounting heights: 17'-35'
  • Combustion chamber: titanium treated steel 
  • Radiant emitter tubes: 16 ga. 4” O.D. hot-rolled 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 

DET3 (20, 30, 40) - 65, 75


Mount
angle
 SidesTopBelow
0°
 9"6"60"
45°
Top 39"
Below 8"		10"60"
0°
1 side
shield		Top 29"
Below 8"
6"
60"
0°
2 side
shields		9"6"
60"
0°
20 ft from
burner		7"6"
30"

DET3 (30, 40) - 100


Mount
angle
 SidesTopBelow
0°
 14"6"66"
45°
Top 39"
Below 8"		10"66"
0°
1 side
shield		Top 29"
Below 8"
6"
66"
0°
2 side
shields		16"6"
66"
0°
20 ft from
burner		7"6"
30"

DET3 (30, 40, 50) - 125


Mount
angle
 SidesTopBelow
0°
 20"6"76"
45°
Top 58"
Below 8"		10"76"
0°
1 side
shield		Top 42"
Below 8"
6"
76"
0°
2 side
shields		20"6"
76"
0°
20 ft from
burner		7"6"
30"

DET3 (40, 50, 60) - 150


Mount
angle
 SidesTopBelow
0°
 24"6"81"
45°
Top 58"
Below 8"		10"81"
0°
1 side
shield		Top 42"
Below 8"
6"
81"
0°
2 side
shields		23"6"
81"
0°
20 ft from
burner		11"6"
44"

DET3 (40, 50, 60, 70) - 175


Mount
angle
 SidesTopBelow
0°
 34"6"92"
45°
Top 63"
Below 8"		10"92"
0°
1 side
shield		Top 50"
Below 8"
6"
92"
0°
2 side
shields		30"6"
92"
0°
20 ft from
burner		11"6"
44"

DET3 (40, 50, 60, 70) - 200


Mount
angle
 SidesTopBelow
0°
 41"6"94"
45°
Top 63"
Below 8"		10"94"
0°
1 side
shield		Top 54"
Below 8"
6"
94"
0°
2 side
shields		30"6"
94"
0°
20 ft from
burner		11"6"
44"

Clearances published in DET3 Series manual and on warning label supersede data shown on this webpage. Reference DET3 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.