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DET3 Series: Economical, Two Stage Heater

Premium Models

MP – Modulating Series

HL3 – Two Stage Series

DX3 – Single Stage Series

Standard Models

DET3 – Two Stage Series

DES3 – Single Stage Series

Residential Garage

LD3 – Two Stage Series

LS3 – Single Stage Series

Specialty Models

SS – Stainless Steel Series

QTD – Two Stage Quad

QTS – Single Stage Quad

DET3 Series: Economical, Two Stage Heater

 

V3_tubehtr_0 Streamlined for economy and designed without sacrificing performance, the DET3 Series is a quality, energy efficient heater at a more economical price. Our patented two-stage technology, incorporated into the DET3 Series, provides more comfort while saving valuable energy dollars. Utilizing a direct spark ignition system and hot-rolled steel emitter tubes, this series is the best in this class of equipment.

 

 

FeaturesSpecificationsLiteratureParts & AccessoriesFAQBuy

 

Specific Features

Tube-Features_eco
  • 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.

 

Product Features Comparison Chart

HL3

DX3

DET3

DES3

Highly Polished Aluminum Reflectors check check check check
Coated Titanium or Aluminized Combustion Chamber check check check check
Coated Aluminized Radiant Tubes check check cross cross
Hot Surface Ignition check check cross cross
Stainless Steel Flexible Gas Connector check check check check
Two-Stage Technology check cross check cross
Interlocking Swaged Tubes check check check check
Stainless Steel Models Available check check cross cross
Reflector End Caps Included check check cross cross
Optional ‘U’ or ‘L’ Configurations Available check check check check

 

BTU Range: 65,000 – 200,000 BTU/h
Lengths: 20-60 ft.
Gas Type: Natural or Propane
Combustion Chamber: Coated Aluminized or Titanium
Radiant Tubes: Hot Rolled Steel
Certification: CSA, IAS
Warranty: 1/2/3 (Components/Tubes/Burner)


 

PRODUCT SPECIFICATIONS
ELECTRICAL
• 120v, 60Hz, 3-wire
• 1.7A starting, 1.1A running
CONTROLS
• Potted circuitry
• 24V thermostat Control
• ABS Plastic Cover
TUBE CONSTRUCTION
• As shown at left
• 4″x10′ 16 ga. construction
• Labor saving, interlocking swaged tube design
REFLECTORS
• Highly polished aluminum
• 0°-45° rotatable angle
IGNITION / SENSE
• Direct spark ignition
• Flame rod sense
VENTING
• 4″ single vent
• 6″ common vent (with thermostat)
GAS CONNECTION
• 1/2″ NPT flexible connector
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
• Turbulator baffle(s)
BTU Range: 65-200 MBH
Lengths: 20-60 Ft.
Gas Type: Natural or Propane
Combustion Chamber: Coated Aluminized or Titanium
Radiant Tubes: Hot-Rolled Steel
Certification: CSA, IAS
Limited Warranty: 1-2-3 (Components-Tubes-Burner)
OPTIONAL EQUIPMENT  
“U” or “L” Configurations: Available (RUP, REP)
Stainless Steel Upgrades: Available (SSRAO, SSC, SSB)
24V Controls: Standard
Indicator Lights: Standard
Protective Guards: Available (PG)
Side Shield Extensions: Available (SSE)
Outdoor Approval: Not Available

 


 

AVAILABLE DET3 MODELS & CLEARANCES

Model #
Gas*

MBH High/Low

Length Weight

Recom. Mtg.Heights

DET3-20-65 N or LP 65/50 21’ – 9” 120# 9’ to 14’
DET3-20-75 N or LP 75/50 21’ – 9” 120# 10’ to 15’
DET3-30-65 N or LP 65/50 31’ – 5” 160# 10’ to 15’
DET3-30-75 N or LP 75/50 31’ – 5” 160# 11’ to 18’
DET3-30-100 N or LP 100/65 31’ – 5” 160# 12’ to 20’
DET3-30-125 N or LP 125/95 31’ – 5” 160# 13’ to 23’
DET3-40-65 N or LP 65/50 41’ – 1” 190# 11’ to 18’
DET3-40-75 N or LP 75/50 41’ – 1” 190# 11’ to 18’
DET3-40-100 N or LP 100/65 41’ – 1” 190# 12’ to 20’
DET3-40-125 N or LP 125/95 41’ – 1” 190# 13’ to 23’
DET3-40-150 N or LP 150/100 41’ – 1” 190# 14’ to 25’
DET3-50-125 N or LP 125/95 50’ – 9” 235# 15’ to 27’
DET3-50-150 N or LP 150/100 50’ – 9” 235# 15’ to 27’
DET3-50-175 N or LP 175/125 50’ – 9” 235# 16’ to 30’
DET3-50-200 N or LP 200/145 50’ – 9” 235# 17’ to 35’
DET3-60-150 N or LP 150/100 60’ – 5” 265# 16’ to 30’
DET3-60-175 N or LP 175/125 60’ – 5” 265# 16’ to 30’
DET3-60-200 N or LP 200/145 60’ – 5” 265# 17’ to 35’
MountingAngleChart* Specify natural (N) or propane (LP) gas.** Recommended mounting heights are provided as a guideline. Actual conditions may dictate variations from the above data.
DET3_cc_chart
Always maintain the published clearances to combustibles.Clearances published in DET3 Series manual and on warning label supersede data shown here.Place signs where necessary in accordance with ANSI Standards.

 

 

 

DET3 Series

LBDET3_DET3-Brochure_10-11.th liogt3_manual.th det3_manual.th
Brochure General Manual DET3 Insert Manual
LSDET3_DET3-Submittal_5-12_2clr.th lpkth_7-13.th LIOTH_Tube-Heater-Precheck-8.5x11_1-13.th
Submittal
Packing List Application Guidelines

 

 

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