Screen automatically closes when excessive heat is detected. The breakaway fusible link triggers the closing to prevent fire and smoke traveling through ductwork.
RD1 is 12-1/2 x 12-1/2" for L100/150/200/250/300 Series
RD2 is 21-3/4 x 12-1/2" for L400/500/200/700 Series
RD3 is 22-1/4 x 18-1/4" for L900/1500 Series
Roof Mount
Curb Mount
72V/72W 75V 277V
634/634M 644
Wall Cap Model 441 for 10" round duct. Steel with aluminum louvers.
$47.49 Qty:
Wall Cap Model 613 for 12" round duct. Built in backdraft damper and bird screen. Aluminum.
$45.15 Qty:
Wall Cap Model 643 for 8" round duct. Built in backdraft damper. Aluminum.
$41.65 Qty:
Roof Cap Model 437 High Capacity design up to 1200 CFM. Built in Bird screen. Steel housing with electrically bonded black epoxy finish.
$74.55 Qty:
In-Line Adapter Model 961L for L100/L150 Series. 6" round duct intake. Galvanized steel.
$15.00 Qty:
In-Line Adapter Model 981L for L200/L250/L300 Series. 8" round duct intake. Galvanized steel.
$15.00 Qty:
In-Line Adapter Model 982L for L400/L500/L700 Series. 4-1/2 x 18-1/2" duct intake. Galvanized steel.
$19.10 Qty:
In-Line Adapter Model 983L for L900/L1500 Series. 8 x 12" duct intake. Galvanized steel.
$20.45 Qty:
Vibration Dampening Hampers Model V104
For Models L2000L/L3500EXL
Heavy gauge steel construction
Neoprene vibration dampening cushion
Maximum load 75 lbs each
For a 3/8" dia threaded rod (available from others)
Set of Four required for each ventilator
Duct Transitions Galvenized steel. Allows for quick transition to easy-to-obtain-and-install round duct.
423: 4-1/2 x 18-1/2 to 10" Rd
T81212: 8 x 12 x 12" Rd
Qty:
Shipping cost are estimated - you will be charged only Actual Shipping Cost + $2 pack/box.
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