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HREB-C and HRED-C Hooded Propeller Roof Exhaust Fans

Roof Propeller Fan Series

HREB-C and HRED-C Models

Model Features

  • Exhaust air to over 40,000 CFM up to 3/4" w.g.
  • Belt drives permit easy performance adjustments when needed.
  • Direct drive units have low sound levels and quiet operation.
  • Reversible blades available
  • cULus 705 Listed (HREB-C only)

cULus 705

Model Overview

Models HREB-C and HRED-C are roof-mounted, low-profile exhaust fans rated from 5,700 to over 40,000 CFM with 3/4" static pressure. Seven sizes from 24-60 inches are available AMCA rated for Air and Sound Performance. Available in galvanized or aluminum construction, they are used to exhaust air from a variety of commercial and industrial operations such as manufacturing and assembly plants, warehouses, garages, laundries, and similar buildings.

For greater versatility, reversible blades are available as an option. Exhaust or supply air movement is achieved by a remote reversing switch. The reverse feature can provide positive or negative building pressurization with single or multiple fan units. The maximum utilization of the fans can be achieved with this inexpensive option.

The unit's low silhouette fits today's clean uncluttered building design and its standard all galvanized construction provides years of resistance to corrosion.

Greater hood strength and weather resistance are achieved from the modular design. Heavy-gauge galvanized hood sections are cross broken and connected by a standing seam for extra strength over conventional hood designs.

The knockdown feature on the larger sizes provides lower transit costs and ease of Jobsite handling. This modular design is one of the strongest and easiest to assemble in the industry. Hood sizes 58 to 78 inch (represents fan sizes 24 to 36 inch) ship assembled. Hood sizes 87 to 123 inch (represent fan sizes 42 to 60 inch) ship knockdown or can be special ordered assembled.

For damper maintenance, an entire side panel of the fan stack easily removes for access. The hood hinges open for motor access. Belt drive fan units have outboard drives and adjustable motor bases for easy maintenance. The belt drive fan units all have outboard drives and adjustable motor bases for easy maintenance.

2-year fan housing warranty, 1-year motor warranty

HREB-C Specifications

Size CFM Range Max SP
24 1,159 to 10,347 3/4"
30 3,076 to 15,001 3/4"
36 2,134 to 21,737 3/4"
42 3,688 to 24,690 3/4"
48 8,269 to 37,349 3/4"
54 13,225 to 47,674 3/4"
60 10,364 to 48,414 3/4"

HRED-C Specifications

Size CFM Range Max SP
24 1,193 to 10,288 3/4"
30 2,116 to 15,195 3/4"
36 3,906 to 24,839 3/4"
42 7,973 to 20,253 3/4"
48 7,827 to 38,005 3/4"
54 9,565 to 36,365 3/4"
60 30,299 to 48,780 3/4"
Dimensional Drawing for the HREB-C and HRED-C Models

Dimensional data is displayed in inches.

Size A B C D E F
24 58 35 30 44 23 33-1/4
30 66 41 36 44 23 39-1/4
36 78 47 42 44 23 45-1/4
42 87 53 48 51 30 51-1/4
48 99 59 54 51 30 57-1/4
54 111 65 60 51 30 63-1/4
60 (DD) 111 71 66 51 30 69-1/4
60 (BD) 123 71 66 51 30 69-1/4

DD = Direct Drive | BD = Belt Drive

Additional accessories are available for certain products. Contact your S&P Representative for more information about these accessories.

Standard Accessories

Aluminum Construction  
Automatic Damper  
Birdscreen  
Disconnect Switches  
Extended Grease Lines  
Fiberglass Free Insulation  
Roof Curb  
Motor Operated Damper Submittal
Motor Safety Chain  
Remote Drive  
Spring Assist Kit  

Brochure
Typical Specification Sheet
Submittal
IOM

  • General/Clean Air
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