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Eskabe Heater Specifications:
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Eskabe Heater - DVEL 8
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Eskabe Heater - DVEL 12
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Eskabe Heater - DVEL 20
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Power input (Btu/h)
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8000
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11000
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17000
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Thermostat
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NO
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YES
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YES
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Fuel
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Natural Gas (NG) or Propane (LP)
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Weight
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26.17
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35.3
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52.9
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Cabinet Height
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20 inches
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20 inches
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20 inches
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Cabinet Width
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13 5/8 inches
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17 3/8 inches
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27 3/8 inches
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Cabinet Depth
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5 9/16 inches
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5 13/16 inches
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6 9/16 inches
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Vent Opening Required
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5 inches
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6 inches
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7 inches
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Eskabe Gas Heater Features:
Does not require Electricity.
The controls are conveniently located on the top. Included is a push-button piezo igniter to light
the pilot.
On the DVEL 8 - 8k btu model, the control knob allows you to select Off, Low or High heat settings and
the heater will stay in that mode until you change it.
The DVEL 12 11k and DVEL 20 17k btu models both have modulating thermostats. With other brands of
thermostat-controlled heaters, the thermostat will turn the unit on and off in order to maintain a
fairly even room temperature. A modulating thermostat does more than that. Rather than just turning
the heater on and off at it's maximum output, a modulating thermostat increases and decreases (modulates)
the flame height inside the burner in an attempt to better match the room's heating requirements. As the
room heats up and approaches the thermostat's set point, the heater will decrease the flame height to
decrease fuel consumption and heat output. By doing this, Eskabe (DVEL 12 11k and DVEL 20 17k btu units only) heaters
can reduce fuel consumption and keep the room at a more even temperature, compared to other heaters that just have
on/off thermostats.
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Eskabe Gas Heater High Elevation:
With the standard injector, Eskabe Heaters can be used up to 2,000 feet altitude.
Optional injectors are available for:
2,001 to 4,500 feet
4,501 to 8,500 feet
8,501 to 10,000 feet
Note to consumers concerning high elevation installations of Eskabe Gas Heaters:
The Eskabe manual states that installations over 2,000 ft require special high elevation
orifices. We have found that these orifices are not required on installations under
5,000 ft. High altitude orifices cause the heaters to reduce gas consumption and
produce less heat, so they should be avoided whenever possible. In these cases,
using unnecessary orifices can decrease heat output by at least 10%.
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Model
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Altitude
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Btu's Burned
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Jet Size
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Jet Effect
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Heat Produced
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Eskabe DVEL 8 LP
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0-1,999
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8,000
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0.90
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100%
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6,400
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2,000-4,999
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7,280
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0.85
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91%
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5,824
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5,000-8,999
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6,320
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0.80
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79%
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5,056
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9,000+
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5,280
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0.75
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66%
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4,224
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Eskabe DVEL 12 LP
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0-1,999
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11,000
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1.05
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100%
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8,800
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2,000-4,999
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10,010
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1.00
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91%
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8,008
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5,000-8,999
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9,020
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0.95
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82%
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7,216
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9,000+
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8,140
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0.90
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74%
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6,512
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Eskabe DVEL 20 LP
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0-1,999
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17,000
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.90
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100%
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13,600
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2,000-4,999
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14,620
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0.85
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86%
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11,696
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5,000-8,999
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13,430
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0.80
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79%
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10,744
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9,000+
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11,220
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0.75
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66%
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8,976
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Model
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Altitude
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Btu's Burned
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Jet Size
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Jet Effect
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Heat Produced
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Eskabe DVEL 8 NG
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0-1,999
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8,000
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1.40
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100%
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6,400
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2,000-4,999
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7,440
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1.35
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93%
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5,952
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5,000-8,999
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6,880
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1.30
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86%
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5,504
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9,000+
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5,840
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1.20
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73%
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4,672
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Eskabe DVEL 12 NG
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0-1,999
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11,000
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1.50
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100%
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8,800
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2,000-4,999
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10,230
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1.45
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93%
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8,184
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5,000-6,999
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9,680
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1.40
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88%
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7,744
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7,000-8,999
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9,020
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1.35
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82%
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7,216
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9,000+
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8,360
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1.30
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76%
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6,688
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Eskabe DVEL 20 NG
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0-1,999
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17,000
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1.55
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100%
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13,600
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2,000-4,999
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15,810
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1.50
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93%
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12,648
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5,000-6,999
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14,960
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1.45
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88%
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11,968
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7,000-8,999
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13,940
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1.40
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82%
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11,152
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9,000+
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12,920
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1.35
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76%
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10,336
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As altitude increases, the oxygen content of the air decreases. To compensate for this,
gas heaters decrease the amount of gas going to the combustion chamber so the air/fuel
ratio remains approximately constant. This prevents the heater from running too rich,
which can result in incomplete combustion, smoke and soot coming out the exterior
vent.
Heater sizing should be based upon the "Heat Produced" column.
In our experience, satisfactory combustion can be achieved with a jet size one larger
than the one in the chart without significant sooting.
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