Introducing Dayton's new Alu 25 Dia 25.5 H Roof Fan with Motor - a top-notch ventilation solution for both residential and commercial spaces. This powerful fan offers variable speed control and electronically commutated motor (ECM) technology, making it highly efficient and energy-saving. The pre-mounted potentiometer dial enables users to adjust the speed easily, while its quiet operation ensures minimal disturbance. Unlike traditional belt-driven motors, this fan does not require any maintenance or replacement of parts, resulting in a long-lasting and hassle-free performance. Whether it's for removing odors, moisture, or improving indoor air quality, the Alu 25 Dia 25.5 H Roof Fan with Motor is an ideal choice that provides reliable ventilation solutions without compromising on performance or efficiency.
This variable-speed, downblast roof mount ventilator allows up to 80% useable turndown and eliminates the need for a speed control. It features electronically commutated motor (ECM) technology, a variable speed motor, and a potentiometer dial pre-mounted on the motor to control speed. It addition to quiet and cool operation, the motor does not require belt or pulley maintenance, and is engineered to offer long service life due to lower running temperatures.
Technical Specifications
ItemDownblast Ventilator
Drive Type - Roof VentilatorsDirect Drive
Duty Rating - Roof VentilatorsStandard
Drive Package With Motor IncludedYes
Voltage - Roof Ventilators115V AC
Motor HP - Roof Ventilators1/4 hp
Base Size - Roof Ventilators22 in x 22 in
Number of SpeedsVariable
Mounting Location - Roof VentilatorsRoof
Wheel Dia.11 in
Item - Roof VentilatorsDownblast Ventilator
CFM @ 0.000-In. SP729/966/1462
CFM @ 0.125-In. SP623/883/1405
CFM @ 0.250-In. SP473/805/1351
CFM @ 0.375-In. SP-/702/1298
CFM @ 0.500-In. SP-/507/1250
CFM @ 0.625-In. SP-/-/1193
CFM @ 0.750-In. SP-/-/1126
CFM @ 0.875-In. SP-/-/1052
CFM @ 1.000-In. SP-/-/955
Sones @ 0.125-In. SP @ 5 Ft.3.7/6.0/11.8
Sones @ 0.250-In. SP @ 5 Ft.2.9/5.7/11.4
Sones @ 0.500-In. SP @ 5 Ft.-/4.1/10.9
Phase1
Hz60
Max. Operating Amps3.9
Motor TypeEC Motor
Max. BHP0.04/0.09/0.31
RPM860/1140/1725
Base Height1 3/4 in
Overall Dia.24 3/8 in
Overall Height23 3/4 in
Shaft Dia. Wheel End1/2 in
Max. Inlet Temp.130 Degrees
Housing MaterialSpun Aluminum
Wheel MaterialAluminum
Wheel TypeBackward Inclined Centrifugal
Speed Control43Y140
Speed ControllableYes
Adj. 12 3/8"H Roof Curb Stock No.2ZV82
Adj. 6 3/8"H Roof Curb Stock No.4C453
Assembled/UnassembledAssembled
Recommended 12 In. Fixed Curb Item No.2RB76
Recommended 8 In. Fixed Curb Item No.4HX39
Agency ComplianceUL/cUL 705, AMCA Sound, Air
Dimension A22 in
Dimension B24 3/8 in
Dimension C23 3/4 in
Dimension D4 3/8 in
IncludesNEMA 1 Junction Box
Manufacturer Details
Manufacturer: Dayton
Condensed Mfg Number: 5DVT2
MPN: 5DVT2
Label Details
Hazardous Material: N
Green Material Flag: N
Country of Origin: US
CA Prop 65 Wht Label: N
Classification Details
Harmonization Code: 8414596560
GDS Category Name: Centrifugal Downblast Roof Exhaust Fans with Motor
GDS Family Name: Roof Ventilators
GDS Segment Name: HVAC and Refrigeration
UNSPSC: 40101502
UNSPSC Class ID: 15
UNSPSC Commodity Name: Ventilation
UNSPSC Commodity ID: 02
UNSPSC Commodity Name: Air exhausters
UNSPSC Family ID: 10
UNSPSC Family Name: Heating and ventilation and air circulation
UNSPSC Segment ID: 40
UNSPSC Segment Name: Distribution and Conditioning Systems and Equipment and Components
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