Greenheck will be closed Monday, September 1st in observance of Labor Day. Order shipments will resume on Tuesday, September 2nd. 

  DETAILS
Shipping Cutoff Times
Shipping Type Order By
Standard Ground Small Parcel
FREE - On orders over $25 View Transit Map 		7:00 PM CST
Next Day Air
(Calculated at checkout) 		3:00 PM CST
Standard Ground Freight
FREE - On orders over $25 		1:00 PM CST
  • Shipping cutoff times apply to in-stock items. Please note item lead-times when placing your order.
  • Orders placed on weekends or holidays will be processed the next business day.
Questions? Give us a call at 1-800-355-5354
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    Having trouble finding what you need? Give us a call at 1-800-355-5354.
    • Product # SMD-401M

    SMD-401M

    Greenheck Product # SMD-401M
    Modulating with extruded aluminum airfoil blades and Class I leakage rating; pressure up to 4 in. wg (1 kPa); velocity up to 2000 fpm (10.2 m/s) and temperature up to 250°F (121°C).

    Certifications:

    • California State Fire Marshal (Listing # 3230-0981: 0104)
    • UL 555S (Listing # R13317)

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