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Nickel Chrome Flange Duct Heater up to 600°F and 2kW Power

MAXIMUM FLOW AIR HEATERS, For Low Pressure, High Flow Air Heating


Item# AHF-06120

Volume discounts available
Volume Discount Schedule
Quantity Price each
1-4 C$295.54
5-9 C$280.76
10-24 C$274.85
25-49 C$263.03
50-99 C$257.12
100+ C$251.21

In stock

Lead Time (If not in stock): 10 weeks
MAXIMUM FLOW AIR HEATERS, For Low Pressure, High Flow Air Heating AHF-06120 AHF-06120
  • 4-Inch O.D. Mounting Flange
  • Air Flows Up To 200 CFM*
  • Exit Air Temperatures up to 600°F
  • Post Terminals Junction Box

AHF-06120 Model Options

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Edit these specs to order a different model. Not all combinations are valid. Options compatible with previous selections will be in bold.

*Highlighted options are not compatible. Please select a different combination.

Power Density
Supply Voltage
Maximum Outlet Air Temperature
Mounting Style
Mounting Size
Sheath Material

CFMMax. Watts/Linear Inch
of Heated Length
The AHF series maximum flow air heaters are used with blowers or recirculating air in baking, drying, and preheating applications.

This air heater is designed with a 23/8' O.D. aluminum tube and a cross frame heating element for minimum resistance to air flow. The nickel-chrome heating element is insulated by ceramic beads on a stainless steel support frame which is firmly secured to the inside of the tube. Post terminals enclosed in a junction box simplify the wiring. A four-inch round flange with pre-drilled holes at the inlet side are used for mounting the heater. It has a practical operating range of up to 200 CFM with temperatures up to 600 °F (315°C).

Calculate the flow rate, temperature rise, or power requirement as follows:
Watts = SCFM x ΔT/3
SCFM = Standard Cubic Feet Per Minute
ΔT = Temperature Rise inDegrees F from the Inlet to the Outlet
Minimum flow rates are given in the table below.

Maximum Amperage: 15
Cross Sectional Flow Area: 3.5 square inches
Threaded Terminals: 6-32

Model Number Volts Watts Heated Length in (mm) Watts/Inch** Maximum CFM Length in (mm) Weight lb (kg)
120 VAC Models
AHF-061201206004 (102)1502006 (152)0.5 (0.23)
AHF-1012012010008 (203)12520010 (254)1.25 (0.57)
120/240 VAC Models*
10 (254)
10 (254)
12 (305)1.5 (0.68)
12 (305)
12 (305)
14 (356)1.75 (0.79)
*These air heaters can be operated on either 120 or 240 Volts. Specifications are given for operation on both 120 and 240 Volts.
**Indicates Watts per inch of heated length. Use the table above to determine minimum required flow rates. The Watts per inch of heated length can be changed by reducing the operating voltage or by ordering a custom made heater. Stainless steel construction also available. Consult Engineering.
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What size is the conduit knockout in the junction box?

Asked by: automation guy
The information for the knockout is not in any of the documentation but it is most likely a standard size used in electrical applications. If you need to know exactly send your question to so it can be researched.
Answered by: ApplicationsEngineerANB
Date published: 2023-12-15

Can this unit be run using a DC power supply?

Asked by: santi
The AHF series heaters are rated for AC only. We offer 120 and 240 vac options.
Answered by: RD Engineer
Date published: 2020-03-25

Since it is sold in Canada, is it safe to assume that it is CSA or ULC approved?

Asked by: Sean_S
Hi Sean_S Thank you for the inquiry. Unfortunately the AHF heaters are not CSA or UL approved. Best regards OMEGA
Answered by: NorwalkAE_RS
Date published: 2022-08-30

Can I please know if this product is CSA approved or could be used in Canada ??? 

Asked by: Medi
Thank you for your inquiry Medi. The AHF heaters are not CSA approved.
Answered by: Application Engineer MC
Date published: 2022-09-09

I am making a low temp prepreg oven, I am curious if the AHF-10120 would be heat a area of between 27 to 48 cubic feet using a recirculating fan to about 350 to 400 degrees F.

Asked by: Michael C
Thank you for your inquiry. Please email you application requirements to and we will review and advise.
Answered by: Application Engineer JB
Date published: 2020-12-07
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