MP3 Series models

MP3 20-75


  • Gas: Natural or propane 
  • Blast mode rate (MBH): 85 
  • Standard modulating range (BTU/h): 65,000-75,000 
  • Length: 26'-5" 
  • Weight: 145 
  • Combustion chamber: aluminized steel 
  • Radiant emitter tubes: 16 ga. 4” aluminized steel  
  • *Mounting heights: 12'-20' 

MP3 20-80


  • Gas: Natural or propane 
  • Blast mode rate (MBH): 85 
  • Standard modulating range (BTU/h): 65,000-80,000 
  • Length: 26'-5" 
  • Weight: 145 
  • Combustion chamber: aluminized steel 
  • Radiant emitter tubes: 16 ga. 4” aluminized steel  
  • *Mounting heights: 12'-20' 

MP 25-80


  • Gas: Natural or propane 
  • Blast mode rate (MBH): 85 
  • Standard modulating range (BTU/h): 65,000-80,000 
  • Length: 26'-5" 
  • Weight: 145 
  • Combustion chamber: aluminized steel 
  • Radiant emitter tubes: 16 ga. 4” aluminized steel  
  • *Mounting heights: 12'-20' 

MP3 30-80


  • Gas: Natural or propane 
  • Blast mode rate (MBH): 85 
  • Standard modulating range (BTU/h): 65,000-80,000  
  • Length: 31'-5" 
  • Weight: 145 
  • Combustion chamber: aluminized steel  
  • Radiant emitter tubes: 16 ga. 4” aluminized steel  
  • *Mounting heights: 12'-20' 

MP3 30-115


  • Gas: Natural or propane 
  • Blast mode rate (MBH): 120 
  • Standard modulating range (BTU/h): 85,000-115,000 
  • Length: 31'-5" 
  • Weight: 160 
  • Combustion chamber: aluminized steel   
  • Radiant emitter tubes: 16 ga. 4” aluminized steel  
  • *Mounting heights: 14'-22' 

MP3 40-80


  • Gas: Natural or propane 
  • Blast mode rate (MBH): 85 
  • Standard modulating range (BTU/h): 65,000-80,000  
  • Length: 41'-1" 
  • Weight: 190
  • Combustion chamber: aluminized steel    
  • Radiant emitter tubes: 16 ga. 4” aluminized steel 
  • *Mounting heights: 12'-20'

MP3 40-115


  • Gas: Natural or propane 
  • Blast mode rate (MBH): 120 
  • Standard modulating range (BTU/h): 85,000-115,000  
  • Length: 41'-1" 
  • Weight: 190
  • Combustion chamber: aluminized steel    
  • Radiant emitter tubes: 16 ga. 4” aluminized steel 
  • *Mounting heights: 15'-25'

MP3 40-150


  • Gas: Natural or propane 
  • Blast mode rate (MBH): 155 
  • Standard modulating range (BTU/h): 110,000-150,000 
  • Length: 41'-1" 
  • Weight: 190
  • Combustion chamber: titanium stabilized steel    
  • Radiant emitter tubes: 16 ga. 4” aluminized steel 
  • *Mounting heights: 15'-28'

MP3 50-115


  • Gas: Natural or propane 
  • Blast mode rate (MBH): 120 
  • Standard modulating range (BTU/h): 85,000-115,000 
  • Length: 50'-9" 
  • Weight: 235
  • Combustion chamber: aluminized steel    
  • Radiant emitter tubes: 16 ga. 4” aluminized steel 
  • *Mounting heights: 15'-28' 

MP3 50-150


  • Gas: Natural or propane 
  • Blast mode rate (MBH): 155 
  • Standard modulating range (BTU/h): 110,000-150,000 
  • Length: 50'-9" 
  • Weight: 235
  • Combustion chamber: titanium stabilized steel    
  • Radiant emitter tubes: 16 ga. 4” aluminized steel 
  • *Mounting heights: 17'-30' 

MP3 50-200


  • Gas: Natural or propane 
  • Blast mode rate (MBH): 200 
  • Standard modulating range (BTU/h): 135,000-200,000 
  • Length: 50'-9" 
  • Weight: 235
  • Combustion chamber: titanium stabilized steel    
  • Radiant emitter tubes: 16 ga. 4” aluminized steel 
  • *Mounting heights: 19'-37' 

MP3 60-150


  • Gas: Natural or propane 
  • Blast mode rate (MBH): 150
  • Standard modulating range (BTU/h): 110,000-150,000 
  • Length: 60'-5" 
  • Weight: 265
  • Combustion chamber: titanium stabilized steel    
  • Radiant emitter tubes: 16 ga. 4” aluminized steel 
  • *Mounting heights: 17'-32' 

MP3 60-200


  • Gas: Natural or propane 
  • Blast mode rate (MBH): 200
  • Standard modulating range (BTU/h): 135,000-200,000 
  • Length: 60'-5" 
  • Weight: 265
  • Combustion chamber: titanium stabilized steel    
  • Radiant emitter tubes: 16 ga. 4” aluminized steel 
  • *Mounting heights: 19'-37' 

MP3 70-200


  • Gas: Natural or propane 
  • Blast mode rate (MBH): 200
  • Standard modulating range (BTU/h): 135,000-200,000 
  • Length: 70'-1" 
  • Weight: 300
  • Combustion chamber: titanium stabilized steel    
  • Radiant emitter tubes: 16 ga. 4” aluminized steel 
  • *Mounting heights: 19'-42'

 * 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.

Recommended clearance to combustibles 

MP (20, 25, 30, 40)-75, 80



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		16"6"66"
0°
20 ft from
burner		7"6"30"


MP (30, 40, 50)-115



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"


MP (40, 50, 60)-150



Mount
angle		 Sides Top
Below
0°
 24" 6"83"
45°
Front 58"
Back 8"		10"83"
0°
1 side
shield		Front 42"
Back 8"
6"83"
0°
2 side
shields		23"6"83"
0°
20 ft from
burner		11"6"46"


MP (50, 60, 70)-200



Mount
angle		 Sides Top
Below
0°
 41" 6"100"
45°
Front 63"
Back 8"		10"100"
0°
1 side
shield		Front 54"
Back 8"
6"100"
0°
2 side
shields		30"6"100"
0°
20 ft from
burner		11"6"50"



Clearances published in MP Series manual and on warning label supersede data shown on this page. Reference MP 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.