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Welcome to Space-Ray - Infrared Gas Heaters

Infrared Radiant Heating for Commercial / Industrial Applications

commercial / industrial > products > tube heater - ets / etu series

These series, with more than 80 different configurations and in capacities from 40,000 to 250,000 Btu/hr, offer optimum flexibility in custom designing an infrared heating system.

The ETS series is available in multiple configurations (straight, L, Z, and expanded U-shape) with lengths from 15' to 80' long. For added versatility, 90° elbows, corner reflectors, and side reflectors are available for close area mounting near walls, doors, and corners.

The ETU series is available in seven different configurations and provides more uniform radiant heat energy distribution. The ETU series is ideal for high heat loss areas and spot heating.

ETS / ETU Series Infrared Tube Heater

click pic for enlarged view

 
ETS / ETU Series
Product Brochures:


ETS / ETU Infrared Heater (PDF)

Tube Heater Accessories (PDF)

Installation & Operating
Instructions:

I&O ETS / ETU 40-250 (PDF)

ETS / ETU Submittal Data (PDF)

 

Other Major Types of
Space-Ray Tube Heaters:

 

 

 

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Specifications

Features
  • 19 different Btu sizes and more than 100 different configurations to custom design your infrared heating system
  • CSA design certified
  • Vented or indirect vented operation
  • Sidewall or through-the-roof venting
  • Natural and Propane gas models

Pull Through System

  • Products of combustion are pulled through the combustion chamber for increased radiant efficiency and greater safety
  • No draft hoods, totally enclosed combustion chamber
  • Heavy duty draft inducer with permanently lubricated, totally enclosed, fan cooled, and heavy duty ball bearing motor for maintenance-free operation
  • Draft inducer can be rotated 45 or 90 degrees for sidewall venting
Burner System
  • Heavy duty cast iron burner 10 year limited warranty on burner Inside or outside air for combustion Up to 50 ft. outside combustion air duct capability
  • Standard 6" combustion air duct opening Reliable direct spark ignition system and 100% Gas Shut-Off Safety Control
  • 30 second pre-purge prior to ignition
  • State-of-the-art step opening redundant combination gas valve for quiet ignition and added safety
  • Diaphragm air switch for proof of venting before gas flow and ignition
  • Diagnostic Monitoring Light system
  • Burner inspection sight glass

Radiant Emitter Tube System

  • 4" O.D. heavy duty calorized aluminized steel combustion chamber (10 feet) and heavy duty hot-rolled steel emitter tubes
  • 3 year limited warranty on the emitter tubes • Suitable for horizontal or angle mounting up to 45 degrees
  • Optional 90° elbows
  • Up to 75 feet sidewall vent capability

Reflector System

  • Highly efficient aluminum reflectors with reflectivity rating of 97.5%
  • Optional end, corner, side and U-bend reflectors • Optional decorative grille
  • Individual reflectors can be rotated up to 45° to direct heat where needed
  • Easy-to-use mounting brackets
 

Dimensions

MODEL

INPUT BTU/HR

MINIMUM MOUNTING HEIGHT

TOTAL TUBE LENGTH

OVERALL DIMENSION "L"

ETS40-15

40,000

10'

15'

17' 9"

ETS50-15

50,000

11'

15'

17' 9"

ETS40-20

40,000

10'

20'

22' 9"

ETS50-20

50,000

11'

20'

22' 9"

ETS60-20

60,000

12'

20'

22' 9"

ETS75-20

75,000

13'

20'

22' 9"

ETS50-30

50,000

11'

30'

32' 9"

ETS60-30

60,000

12'

30'

32' 9"

ETS75-30

75,000

13'

30'

32' 9"

ETS80-30

80,000

13'

30'

32' 9"

ETS90-30

90,000

13'

30'

32' 9"

ETS100-30

100,000

14'

30'

32' 9"

ETS110-30

110,000

14'

30'

32' 9"

ETS120-30

120,000

14'

30'

32' 9"

ETS125-30

125,000

14'

30'

32' 9"

ETS130-30

130,000

15'

30'

32' 9"

ETS80-40

80,000

13'

40'

42' 9"

ETS90-40

90,000

13'

40'

42' 9"

ETS100-40

100,000

14'

40'

42' 9"

ETS110-40

110,000

14'

40'

42' 9"

ETS120-40

120,000

14'

40'

42' 9"

ETS125-40

125,000

14'

40'

42' 9"

ETS130-40

130,000

15'

40'

42' 9"

ETS140-40

140,000

15'

40'

42' 9"

ETS150-40

150,000

15'

40'

42' 9"

ETS160-40

160,000

16'

40'

42' 9"

ETS175-40

175,000

16'

40'

42' 9"

ETS125-40

125,000

14'

45'

47' 9"

ETS125-50

125,000

14'

50'

52' 9"

ETS130-50

130,000

15'

50'

52' 9"

ETS140-50

140,000

15'

50'

52' 9"

ETS150-50

150,000

15'

50'

52' 9"

ETS160-50

160,000

16'

50'

52' 9"

ETS175-50

175,000

16'

50'

52' 9"

ETS180-50

180,000

18'

50'

52' 9"

ETS200-50

200,000

18'

50'

52' 9"

ETS225-50

225,000

20'

50'

52' 9"

ETS250-50*

250,000

20'

50'

52' 9"

ETS180-60

180,000

18'

60'

62' 9"

ETS200-60

200,000

18'

60'

62' 9"

ETS225-60

225,000

20'

60'

62' 9"

ETS250-60

250,000

20'

60'

62' 9"

ETS180-70

180,000

18'

70'

72' 9"

ETS200-70

200,000

18'

70'

72' 9"

ETS225-70

225,000

20'

70'

72' 9"

ETS250-70

250,000

20'

70'

72' 9"

ETS180-80

180,000

18'

80'

82' 9"

ETS200-80

200,000

18'

80'

82' 9"

ETS225-80

225,000

20'

80'

82' 9"

ETS250-80

250,000

20'

80'

82' 9"

*unvented use

 

 

MODEL

INPUT
BTU/HR

MINIMUM MOUNTING HEIGHT

TOTAL TUBE LENGTH

OVERALL DIMENSION "L"

ETU40-20

40,000

10'

20'

12' 9"

ETU50-20

50,000

11'

20'

12' 9"

ETU60-20

60,000

12'

20'

12' 9"

ETU75-20

75,000

13'

20'

12' 9"

ETU50-30

50,000

11'

30'

17' 9"

ETU60-30

60,000

12'

30'

17' 9"

ETU75-30

75,000

13'

30'

17' 9"

ETU80-30

80,000

13'

30'

17' 9"

ETU90-30

90,000

13'

30'

17' 9"

ETU100-30

100,000

14'

30'

17' 9"

ETU110-30

110,000

14'

30'

17' 9"

ETU120-30

120,000

14'

30'

17' 9"

ETU125-30

125,000

14'

30'

17' 9"

ETU130-30

130,000

15'

30'

17' 9"

ETU80-40

80,000

13'

40'

22' 9"

ETU90-40

90,000

13'

40'

22' 9"

ETU100-40

100,000

14'

40'

22' 9"

ETU110-40

110,000

14'

40'

22' 9"

ETU120-40

120,000

14'

40'

22' 9"

ETU125-40

125,000

14'

40'

22' 9"

ETU130-40

130,000

15'

40'

22' 9"

ETU140-40

140,000

15'

40'

22' 9"

ETU150-40

150,000

15'

40'

22' 9"

ETU160-40

160,000

16'

40'

22' 9"

ETU175-40

175,000

16'

40'

22' 9"

ETU125-50

125,000

14'

50'

27' 9"

ETU130-50

130,000

15'

50'

27' 9"

ETU140-50

140,000

15'

50'

27' 9"

ETU150-50

150,000

15'

50'

27' 9"

ETU160-50

160,000

16'

50'

27' 9"

ETU175-50

175,000

16'

50'

27' 9"

ETU180-50

180,000

18'

50'

27' 9"

ETU200-50

200,000

18'

50'

27' 9"

ETU225-50

225,000

20'

50'

27' 9"

ETU250-50

125,000

20'

50'

27' 9"

ETU180-60

180,000

18'

60'

32' 9"

ETU200-60

200,000

18'

60'

32' 9"

ETU225-60

225,000

20'

60'

32' 9"

ETU250-60

250,000

20'

60'

32' 9"

ETU180-70

180,000

18'

70'

37' 9"

ETU200-70

200,000

18'

70'

37' 9"

ETU225-70

225,000

20'

70'

37' 9"

ETU250-70

250,000

20'

70'

37' 9"

ETU180-80

180,000

18'

80'

42' 9"

ETU200-80

200,000

18'

80'

42' 9"

ETU225-80

225,000

20'

80'

42' 9"

ETU250-80

250,000

20'

80'

42' 9"

Supply Requirements

Gas and Electrical Supply Requirements

ETS/U 40--175

GAS TYPE

BURNER PRESSURE

SUPPLY PRESSURE

VOLTAGE

AMPS

IGNITION TYPE

Minimum

Maximum

NATURAL

3.5" W.C.

5" W.C.

14" W.C.

120 VAC

60 HZ

2.6

DIRECT SPARK

PROPANE

10" W.C.

11" W.C.

14" W.C.

NATURAL

3.5" W.C.

5" W.C.

14" W.C.

120 VAC

60 HZ

2.6

DIRECT SPARK

PROPANE

10" W.C.

11" W.C.

14" W.C.

ETS/U 180--250

NATURAL

3.5" W.C.

7" W.C.

14" W.C.

120 VAC

60 HZ

2.6

DIRECT SPARK

PROPANE

10" W.C.

12" W.C.

14" W.C.

NOTE: For all installations higher than 2000 ft. above sea level please consult the factory regarding
recommended derating of heaters.
Clearance Information
 

 

 

 

 

MINIMUM CLEARANCE TO COMBUSTIBLES

MODEL

SIDE

CEILING*

BELOW

ENDS

Mounted at 45º Angle

FRONT

REAR

ETS/U40, ETS/U50

27"

6"

40"

30"

48"

12"

ETS/U60, ETS/U75

27"

6"

60"

30"

48"

12"

ETS/U80, ETS/U90

52"

6"

84"

30"

52"

12"

ETS/U100

66"

6"

88"

40"

66"

20"

ETS/U110, ETS/U120, ETS/U125, ETS/U130

66"

6"

101"

40"

66"

20"

ETS/U140, ETS/U150, ETS/U160, ETS/U175

84"

6"

106"

48"

84"

24"

ETS/U180, ETS/U200, ETS/U225, ETS/U250

84"

18"

132" **

48"

84"

24"

NOTE: The clearances specified above must be maintained to combustibles and other materials that may be damaged by temperatures 90ºF above ambient temperature. Clearances to combustibles are posted on the reflector near the control end of the heater. In locations used for storage of combustible materials where they may be stacked below the heater, NFPA 54 requires that the installer must post signs that will "specify the maximum permissible stacking height to maintain the required clearances from the heater to combustibles".

* When used indirect vented, the clearance to the ceiling from the top of the exhaust hood must be 12" for ETS/U40--ETS/U75, 18" for ETS/U80--ETS/U175, and 24" for ETS/U180--ETS/U250. If optional corner or U-bend reflectors are not used, clearance must be 18" (24" for ETS/U180--250).

** 72" clearance 20’ downstream from the Control Box

NOTE: Consult the factory if reduced clearances are required. Also, please note that this heater is NOT for residential use.


 
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To request a quote or if you need additional information, please call Space-Ray toll free at 800-438-4936 or send us an email.

Besides this Commercial / Industrial Infrared gas heating product line, other Space-Ray divisions include: Poultry, Construction & Garage

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