Broan
Downdraft Ventilation System

Model #ILB9 Official Broan inline blower

Here are the diagrams and repair parts for Broan ILB9 inline blower, as well as links to manuals and error code tables, if available.

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Installation guide

    Showing 10 of 33 parts

    Screw 10-2#12

    Main asy Diagram

    Screw 10-2

    Part #93150487
    This item is not returnable
    In Stock
    $4.44
    Appliance Lock Nut#20

    Main asy Diagram

    Appliance lock nut

    Part #93260447
    This item is not returnable
    In Stock
    $3.36
    Range Hood Grounding Screw (Green)#8

    Main asy Diagram

    Range hood grounding screw (green)

    Part #99150471
    Replaced by #S99150471
    ?
    Manufacturer substitution
    This part replaces 99150471. Substitute parts can look different from the original.
    This item is not returnable
    In Stock
    $3.64
    HOUSING AS#4

    Main asy Diagram

    Housing assembly

    Part #97014784
    Replaced by #S97014784
    ?
    Manufacturer substitution
    This part replaces 97014784. Substitute parts can look different from the original.
    In Stock
    $135.94
    INLET RING#23

    Main asy Diagram

    Inlet ring

    Part #98009514
    Replaced by #S98009514
    ?
    Manufacturer substitution
    This part replaces 98009514. Substitute parts can look different from the original.
    In Stock
    $10.40
    Motor#19

    Main asy Diagram

    Motor

    Part #99080490
    Replaced by #S99080490
    ?
    Manufacturer substitution
    This part replaces 99080490. Substitute parts can look different from the original.
    In Stock
    $397.79
    WIRING HAR#7

    Main asy Diagram

    Wiring harness

    Part #97006142
    Replaced by #S97006142
    ?
    Manufacturer substitution
    This part replaces 97006142. Substitute parts can look different from the original.
    This item is not returnable
    In Stock
    $5.11
    HANGER KIT#28

    Main asy Diagram

    Hanger kit

    Part #97016791
    Replaced by #S97016791
    ?
    Manufacturer substitution
    This part replaces 97016791. Substitute parts can look different from the original.
    In Stock
    $64.46
    BLOWER SCR#18

    Main asy Diagram

    Blower screw

    Part #97014785
    Replaced by #S97014785
    ?
    Manufacturer substitution
    This part replaces 97014785. Substitute parts can look different from the original.
    In Stock
    $111.67
    ROUGH-IN#31

    Main asy Diagram

    Trough

    Part #97014597
    Replaced by #S97014597
    ?
    Manufacturer substitution
    This part replaces 97014597. Substitute parts can look different from the original.
    In Stock
    $110.19 | 
    8% OFF 
    Phone Price: $120.19

    Symptoms common to all downdraft ventilation systems

    Choose a symptom to see related downdraft vent repairs.

    Main causes: problems with the vent limit switches, up/down activation switch failure
    Main causes: fan control switch failure, bad blower fan motor, broken blower wheel, wiring failure
    Main causes: lack of electrical power, up/down activation switch failure, bad vent gear motor
    Main causes: clogged grease filters, air duct problems, fan motor failure, broken blower wheel
    Main causes: electrical power failure, up/down activation switch problems, vent gear motor failure

    Repair guides common to all downdraft ventilation systems

    These step-by-step repair guides will help you safely fix what’s broken on your downdraft vent.

    November 1, 2015
    By Lyle Weischwill
    How to replace a downdraft vent up/down switch

    The up/down switch starts the gear motor to raise and lower the air vent. Replace the up/down switch if defective.

    Repair difficulty
    Time required
     15 minutes or less
    November 1, 2015
    By Lyle Weischwill
    How to replace a downdraft vent blower motor

    The blower motor spins the fan blade that removes smoke and steam from the cooktop area. Replace the blower motor if it doesn't run when activated.

    Repair difficulty
    Time required
     15 minutes or less
    November 1, 2015
    By Lyle Weischwill
    How to replace a downdraft vent gear motor

    The gear motor raises and lowers the air vent when you push the activating switch. Replace the gear motor if defective.

    Repair difficulty
    Time required
     15 minutes or less

    Articles and videos common to all downdraft ventilation systems

    Use the advice and tips in these articles to get the most out of your downdraft vent.

    August 30, 2022

    How to enjoy all the online benefits we offer on our Sears PartsDirect website

    By Lyle Weischwill

    Learn about all the convenient features on our Sears PartsDirect website that make your parts purchases easier.

    August 19, 2022

    Are DIY appliance repairs safe?

    By Lyle Weischwill

    Find out how to stay safe when repairing your appliances.

    February 23, 2015

    Troubleshooting tips for a rectractable downdraft vent

    By Lyle Weischwill

    See what to check if you are having a problem with a retractable downdraft vent.