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Horizontal Compact Enclosure Fan Heater up to 400W

Compact Enclosure Fan Heater


Item# HVL14900

Volume discounts available
Volume Discount Schedule
Quantity Price each
1-4 $268.18
5-9 $254.77
10-24 $249.41
25-49 $238.68
50-99 $233.32
100+ $227.95

In stock

Lead Time (If not in stock): 26 weeks
Compact Enclosure Fan Heater HVL14900 HVL14900
  • Small, Compact Size Fan Heater
  • Built-In Overheat Protection
  • DIN Rail Mountable
  • Maintains Minimum Operating Temperatures in Enclosures

HVL14900 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.

Supply Voltage
Form Factor
Maximum Operating Temperature
Housing Material

This compact heater is designed for many different applications including electrical and electronic enclosures, display panels, access and parking control systems and personnel booths.

To determine the required heater size follow this equation:

PH = (A x ΔT x k) - Pv
PH = Required heating power for your application in Watts (W)
Pv = Heating power generated by existing components (e.g. a transformer) in Watts (W)
A = Exposed enclosure surface area square meters (m2)
ΔT = Temperature differential between the desired minimum interior temperature and lowest possible external temperature of the enclosure in Kelvin (K), 1.8°F = 1°C = 1K
k = Heat transmission coefficient of the enclosure material used:
Stainless Steel: 3.7 W/m2K
Painted Steel: 5.5 W/m2K
Aluminum: 12 W/m2K
Polyester/Plastic: 3.5 W/m2K

For outdoor applications it is recommended to double the heating power.

Operating Voltage: 120 Vac
HVL02900: 100 W
HVL03900: 150 W
HVL13900: 200 W
HVL14900: 300 W
HVL15900: 400 W
Heating Element: Resistance type cartridge heater
Heat Sink: Die-cast aluminum, glass bead finish
Required Fan Size (Included):
100/150 W: 80 x 80 x 25 mm (3.1 x 3.1 x 0.98")
Min Air Flow: 35 m3/h (115 ft3/h) (20 cfm)
200/300/400 W: 120 x 120 x 25 mm (4.7 x 4.7 x 0.98")
Min Air Flow: 108 m3/h (354 ft3/h) (63 cfm)
Overheat Protection: Built-in temperature limiter
Air Exit Temperature: Approx. 45°C (113°F) 50 mm (2") above heater
Wiring Compartment: Plastic UL 94V-O
Connection (Heater): 3-pole terminal, AWG 14 max [2.5 mm2 (0.10 in2)]
Connection (Axial Fan): 2-pole terminal (L2/N2), AWG 14 max [2.5 mm2 (0.10 in2)]
Mounting: Clip for 35 mm (1.4") DIN rail (EN 50022)
Protection Class: I (grounded)
Protection Type: NEMA 2 (IP20)
Weight (with Fan):
100/150 W: 600 g (1.3 lb)
200/300/400 W: 900 g (2.0 lb)
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Rated 5 out of 5 by from doing what I needed Bought this to keep Richie brand livestock water fountain from freezing here in Dakota. Probably not what the manufacture had intended, or even Omega. So far doing it's job. Internet search engines are great for this sort of need and purchase...
Date published: 2018-03-13
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Can the heater be used on a enviroment of -10 Celsius (14 Fahrenheit) ? Or what is the operating range for this product?

Asked by: Alpha_95
The operating/storage temperature for the HVL heater is -45 to 70C.
Answered by: Applications Engineer ANB
Date published: 2023-02-14

What is the amp draw on the 200W unit?

Asked by: Jennifer75
The Voltage rating is 120 VAC so the Amperage would be about 1.7 Amps.
Answered by: ApplicationsEngineerANB
Date published: 2024-01-17

Hi, I am planing to install this product to heat up the hot side of a Hot box measurement. The size of the space is 1m3 and it very well insulated. I would like to know if this product can be a good choice and is there anyway to adjust the heating cap.?

Asked by: Hadi
The HVL14900 may be useful in the application but we will need more information to adequately answer this question. You'll want to e-mail to with the dimensions of the enclosure as well as the temperature your process will be at start up as well as the temperature that you wish to achieve.
Answered by: Engineer9
Date published: 2019-11-19

Is it possible to configure this heater such that the fan is always on? We plan to use it with Omega Benchtop Controllers that we already have. We would like the heater to be turned on/off by the controller, but have the fan stay on constantly.

Asked by: BG1119
Hi BG1119 Thank you for the inquiry. Fan is wired internally in parallel with the heater to ensure always on when heater is on. This unit does not have provision for separate connection. Please consider one of the FCH series for separate fan heater circuit. Best regards OMEGA
Answered by: NorwalkAE_RS
Date published: 2021-04-08

Does this heater have a thermostat built in or does it need an external thermostat/controller?

Asked by: johnp
Thank you for your inquiry. This heater does not have a built-in thermostat. Please see link for thermostat examples:
Answered by: Application Engineer CB
Date published: 2024-05-17
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