SIS Side Intake Filtered Fresh Air Supply Units

SKU#:

SIS Series

An economical fresh air supply unit designed as a practical method to meet NFPA 96 separation requirements between supply & exhaust air streams in restaurant applications.   Also suitable for many other applications, such as schools and apartments.

  • Easy on-site addition of customer supplied air supply duct extension between the intake hood and unit provides additional separation where necessary.
  • Filters designed with large surface area for efficient filtration.
  • Green weather resistant baked powder coat finish.
  • Weather proof cabinet designed for outdoor roof mounting.
  • Flexible forward curved belt drive blowers operate at low speed and low noise levels.
  • Heavy duty ball bearings suitable for -65º to +250º F.
  • Washable aluminum mesh filter are located in the intake hood (except SIS-20) and are accessible through the hood end cap for ease of service.
  • SIS-20 has a drawer type filter section (not illustrated). The SIS-20 intake hood has a screened inlet.
TYPICAL MAXIMUM CFM @ SP
MODEL1/2” SP1” SP1 1/2” SP2" SP2 1/2" SPMin HPMax HP
SIS-9230022002000180016001/41 1/2
SIS-10270024002200190017001/41 1/2
SIS-12360033002900260021001/42
SIS-15540051004500400033001/23
SIS-18840078007000620046001/25
SIS-20125001170010900103009500210
Embedded image              
MODELABDEFGHLMZFILTERS*INSIDE
CABINET
UNIT WEIGHT (LBS)
(without motors & drives)
SIZEQUANTITY
SIS-924 3/8" 19 3/8"10 1/4"11 13/16"6 9/32"7 1/16"7 1/16"19 1/4"16 9/16"21 1/4"16" x 24" x 1"124"x 24"70
SIS-1028 3/8"21 3/8"11 3/8"13 1/8" 7 5/8"8 1/2"8 1/2"20 1/2"18 9/16"25 3/4"15" x 20" x 1"228"x 28" 87
SIS-1232 3/8" 24 5/8"13 7/16"15 5/8" 8 3/8"9 15/32"9 15/32"25 3/8"21 9/16"30 3/4"20" x 25" x 1" &
16" x 25" x 1"
1 & 132"x 32" 117
SIS-1536 3/8" 28 3/8"15 7/8"18 5/8" 8 7/8"8"12 1/2"31 3/16"25 13/16"33 1/2"20" x 28 1/2" x 1" 236"x 36" 175
SIS-1836 3/8" 42 1/2"18 7/8"21 7/8" 7 1/4"6 1/4"11 1/4"35 5/8"32 11/16"40 1/4"20" x 25" x 1" &
16" x 25" x 1"
2 & 236"x 36" 262
SIS-2044 3/8" 49"24 3/4"24 3/4"9 13/16"5 3/16"14 7/16"38 5/8"35 9/16"45 1/2"**20" x 25" x 1"644"x 44" 497

* May not be exactly as shown. Blower assembly may be oriented differently

Replacement Parts

Click your model number below for replacement parts.

  • Roof Curbs.