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Combustion Air Intake Systems

5 Results Found that Include 5 Products 

Results per page: 16 | 32 | 48
    Combustion Air Intake System,250 CFM
    • TJERNLUND
    • Combustion Air Intake System, 250 CFM
    • Item # 14U183
    • Mfr. Model # PAI-4
    • Combustion Air Intake System, Inlet and Outlet Dia. 8 In., BtuH Input 450,000, CFM 250, Max. Duct Length...More

    Combustion Air Intake System,470 CFM
    • TJERNLUND
    • Combustion Air Intake System, 470 CFM
    • Item # 14U184
    • Mfr. Model # PAI-5
    • Combustion Air Intake System, Inlet and Outlet Dia. 10 In., BtuH Input 775,000, CFM 470, Max. Duct Length...More

    Combustion Air Intake System,680 CFM
    • TJERNLUND
    • Combustion Air Intake System, 680 CFM
    • Item # 14U185
    • Mfr. Model # PAI-6
    • Combustion Air Intake System, Inlet and Outlet Dia. 10 In., BtuH Input 1,300,000, CFM 680, Max. Duct Length...More

    Combustion Air Intake System,150 CFM
    • TJERNLUND
    • Combustion Air Intake System, 150 CFM
    • Item # 14U182
    • Mfr. Model # PAI-3
    • Combustion Air Intake System, Inlet and Outlet Dia. 6 In., BtuH Input 275,000, CFM 150, Max. Duct Length...More

    Combustion Air Intake System,1170 CFM
    • TJERNLUND
    • Combustion Air Intake System, 1170 CFM
    • Item # 14U186
    • Mfr. Model # PAI-7
    • Combustion Air Intake System, Inlet and Outlet Dia. 12 In., BtuH Input 2,100,000, CFM 1170, Max. Duct Length...More

    Results per page: 16 | 32 | 48

      A combustion air system from Grainger helps provide controlled, interlocked combustion air to oil and gas furnaces. A combustion air intake system can replace metal louvers in your commercial or industrial facility. It can duct outdoor air and diffuse it at ceiling level to help eliminate cold spots and disperse warm air more evenly. The commercial combustion air system selections you'll find here offer inputs ranging from 150,000 to 3,700,000 BtuH. To help improve your furnace's efficiency, get your combustion air intake system from Grainger.