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GAS-FIRED, TWO STAGE, INFRA-RED HEATERS
The HL3 Series, packed with quality features, represents today’s most energy efficient line of infra-red tube heaters. Our patented two stage technology, incorporated into the HL3 Series, provides more comfort while saving valuable energy dollars. In addition, the highest quality materials and construction features ensure years of reliable and efficient operation. No other infrared heater can match the performance and quality of the HL3 Series.
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| PRODUCT FEATURES |
SPECIFIC FEATURES |

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- Tool-free access to controls.
- Serviceability while unit is operating.
- Separated air and gas burner chamber.
- Symmetrical placement of ignition tube.
- Hinged control compartment provides ease in servicing.
- 3-piece independent compartment cover.
- ABS plastic air intake collar for connection to 4” PVC/DWV pipe.
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| PRODUCT FEATURES COMPARISON CHART |
HL3 |
DX3 |
XTS3 |
DET3 |
DES3 |
| Highly Polished Aluminum Reflectors |
X |
x |
x |
x |
x |
| Coated Titanium or Aluminized Combustion Chamber |
X |
x |
x |
x |
x |
| Coated Aluminized Radiant Tubes |
X |
x |
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| Hot Surface Ignition |
X |
x |
x |
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| Stainless Steel Flexible Gas Connector |
X |
x |
x |
x |
x |
| Ball Valve (1/2" Brass) with Pressure Tap Included |
X |
x |
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| Two-Stage Technology |
X |
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x |
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| Interlocking Swaged Tubes |
X |
x |
x |
x |
x |
| Stainless Steel Models Available |
X |
x |
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| Reflector End Caps Included |
X |
x |
x |
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| Optional 'U' or 'L' Configurations Available |
X |
x |
x |
x |
x |
| PRODUCT SPECIFICATIONS |
ELECTRICAL
• 120v, 60Hz, 3-wire
• 4.8A starting, 1.1A running
CONTROLS
• Pre & post purge
• 24V thermostat Control
• Micro-processor circuitry
TUBE CONSTRUCTION
• As shown at left
• 4"x10' 16 ga. construction
• Labor saving, interlocking swaged tube design
REFLECTORS
• Highly polished aluminum
• End caps included
• 0°-45° rotatable angle
• Tension springs
IGNITION / SENSE
• Hot surface ignition
• Flame rod sense
• Self-diagnostic LED
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VENTING
• 4" single vent
• 6" common vent (with single thermostat & HLRP)
• SK caps on 200 MBH models
GAS CONNECTION
• 1/2" NPT ball valve included
• 24" stainless flex connector provided
GAS PRESSURES
• MAN. -3.5" NAT or 10.0" LP
• MIN. -5.0" NAT or 11.0 LP
• MAX. -14.0" NAT or 14.0" LP
COMBUSTION AIR
• Equipped for ducted air intake from roof or sidewall
KIT CONTENTS
• All hangers & couplers
• Reflector end caps
• Turbulator baffle(s)
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| BTU Range: |
65-200 MBH |
| Lengths: |
20-70 Ft. |
| Gas Type: |
Natural or Propane |
| Combustion Chamber: |
Black Coated Aluminized or Titanium |
| Radiant Tubes: |
Black Coated Aluminized Steel |
| Certification: |
CSA, IAS, CE (GTD) |
| Limited Warranty: |
1-5-10 (Components-Tubes-Burner) |
| OPTIONAL EQUIPMENT |
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| “U” or “L” Configurations: |
Available (RUP, REP) |
| Stainless Steel Upgrades: |
Available (SSTRAO, SSFWAO) |
| 24V Controls: |
Standard |
| Indicator Lights: |
Standard |
| Protective Guards: |
Available (PG) |
| Side Shield Extensions: |
Available (SSE) |
| Outdoor Approval: |
Available (OD-KIT) |
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AVAILABLE HL3 MODELS & CLEARANCES
Model #
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Gas* |
MBH
High/Low
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Length |
Weight |
Recom. Mtg.Heights
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| HL3-20-65 |
N or LP |
65/50 |
21’ - 9” |
120# |
9’ to 14’ |
| HL3-20-75^ |
N or LP |
75/50 |
21’ - 9” |
120# |
10’ to 15’ |
| HL3-30-65 |
N or LP |
65/50 |
31’ - 5” |
160# |
10’ to 15’ |
| HL3-30-75^ |
N or LP |
75/50 |
31’ - 5” |
160# |
11’ to 18’ |
| HL3-30-100^ |
N or LP |
100/65 |
31’ - 5” |
160# |
12’ to 20’ |
| HL3-30-125^ |
N or LP |
125/95 |
31’ - 5” |
160# |
13’ to 23’ |
| HL3-40-65 |
N or LP |
65/50 |
41’ - 1” |
190# |
11’ to 18’ |
| HL3-40-75^ |
N or LP |
75/50 |
41’ - 1” |
190# |
11’ to 18’ |
| HL3-40-100^ |
N or LP |
100/65 |
41’ - 1” |
190# |
12’ to 20’ |
| HL3-40-125^ |
N or LP |
125/95 |
41’ - 1” |
190# |
13’ to 23’ |
| HL3-40-150^ |
N or LP |
150/100 |
41’ - 1” |
190# |
14’ to 25’ |
| HL3-40-175 |
N or LP |
175/125 |
41’ - 1” |
190# |
15’ to 27’ |
| HL3-50-125^ |
N or LP |
125/95 |
50’ - 9” |
235# |
15’ to 27’ |
| HL3-50-150^ |
N or LP |
150/100 |
50’ - 9” |
235# |
15’ to 27’ |
| HL3-50-175 |
N or LP |
175/125 |
50’ - 9” |
235# |
16’ to 30’ |
| HL3-50-200 |
N or LP |
200/145 |
50’ - 9” |
235# |
17’ to 35’ |
| HL3-60-150^ |
N or LP |
150/100 |
60’ - 5” |
265# |
16’ to 30’ |
| HL3-60-175 |
N or LP |
175/125 |
60’ - 5” |
265# |
16’ to 30’ |
| HL3-60-200 |
N or LP |
200/145 |
60’ - 5” |
265# |
17’ to 35’ |
| HL3-70-175 |
N or LP |
175/125 |
70’ - 1” |
300# |
19’ to 42’ |
| HL3-70-200 |
N or LP |
200/145 |
70’ - 1” |
300# |
19’ to 42’ |
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* Specify natural (N) or propane (LP) gas.
** Recommended mounting heights are provided as a guideline. Actual conditions may dictate variations from the above data.
^ Stainless steel tube upgrades available.
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Always maintain the published clearances to combustibles.
Clearances published in HL3 Series manual and on warning label supersede data shown here.
Place signs where necessary in accordance with ANSI Standards.
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LITERATURE
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| Brochure |
Specifications |
Series Insert |
Manual |
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