Dayton 4HZ49


Exhaust Vent, 14 3/4 In

4HZ49 154820
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ItemExhaust Ventilator
TypeCentrifugal Upblast Direct Drive
Wheel Dia. (In.)14-3/4
CFM @ 0.000-In. SP2065
CFM @ 0.125-In. SP1973
CFM @ 0.250-In. SP1864
CFM @ 0.375-In. SP1745
CFM @ 0.500-In. SP1605
CFM @ 0.625-In. SP1430
CFM @ 0.750-In. SP1167
Sones @ 0.250-In. SP @ 5 Ft.11.0
Motor Voltage115
Max. Operating Amps3.2
Motor HP1/4
Max. BHP0.29
Base Width (In.)26
Base Length (In.)26
Base Height (In.)1-3/4
Overall Dia. (In.)28-3/8
Overall Height (In.)30-1/2
Shaft Dia. Wheel End (In.)1/2
Mounting LocationRoof
Max. Inlet Temp. (Deg. F)300
Housing MaterialSpun Aluminum
Wheel MaterialAluminum
Wheel TypeBackward Incline
Speed Control1DGV2
Speed Controllableat 115 Volt Only
Agency ComplianceUL/cUL 705/762
RequiresRoof Curb For New Installation
Includes NEMA 1 Junction Box
Adj. 12 3/8"H Roof Curb Stock No.2ZV83
Adj. 6 3/8"H Roof Curb Stock No.4C454
Recommended 12 In. Fixed Curb Item No.4HX48
Recommended 8 In. Fixed Curb Item No.4HX40
Fixed UL 762 Kitchen Roof Curb Stock No.4HX56
Adj. UL 762 Kitchen Roof Curb Stock No.4HX62
Recommended Damper Size (In.)19 x 19
Recommended Damper Stock No.4HX66
Weight 60.000000


Exhaust Ventilator, Centrifugal Upblast Direct Drive, CFM @ 0.000-In SP 2065, @ 0.250-In SP 1864, @ 0.500-In SP 1605, 11.0 Sones @ 0.250-In SP, Roof Mounting Location, Base Width 26 In, Base Length 26 In, Max Inlet Temp 300 F, Motor Voltage 115, 1 Phase, Motor HP 1/4, 1140 RPM, Wheel Dia 14 3/4 In, Speed Controllable Except For Kitchen Applications, Requires Roof Curb For New Installation, Includes NEMA 1 Junction Box

  • Note: Speed controllers available for 115V units only. For kitchen application, check with local code authorities for minimum duct velocities. Do not use dampers in any kitchen application. NFPA 96.

Centrifugal Direct-Drive Upblast Exhaust Ventilators
  • Aluminum, backward-inclined wheel 1-piece rolled aluminum windband fully welded to base Motor, drive frame, and blower wheel are isolated from mounting base Motor compartment is isolated from contaminated air NEMA 1 junction box in motor enclosure (Hazardous units have NEMA 7 & 9 disconnect switch) UL and C-UL Listed (Motor only UL Listed for Class I Groups C & D, and Class II Groups F & G for hazardous location units)
  • 1-Speed
  • For contaminated air with inlet temps. below 300 F. UL 762 Listed Restaurant Exhaust Appliances (YZHW), except hazardous units.

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