DWKL

Stainless Steel Chimney – Double Wall Systems – Colonial

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DWKL Jeremias

Double Wall Conical all-in-one chimney and exhaust system

  • All-stainless with 25-year warranty.
  • Leak proof conical high pressure joints.
  • Cut length available for maximum field flexibility.
  • Smooth flow and known resistance for perfected factory pressure calculations.
  • Low and man-safe skin temperatures.
  • Dramatically reduces clearance to combustibles.

Inner Material

444 stainless steel
Optional 304, 316L, or 430 stainless steels

Outer Jacket Material

304 polished stainless steel
Optional matt, powder coated, brushed, or copper

Wall thickness

Inner Liner 0.035″
Outer Jacket 0.025″ (diameters 5 – 24 inch)
Outer Jacket 0.035″ (diameters 26 – 36 inch)

Inner diameter

5-36 inch

Insulation

Ceramic Fiber, 1.5″ thick compressed to 1.25″ space

Connection

Conical, gasket free

Locking band

Attached to each part

DWKL-Lt

Stainless Steel Chimney – Double Wall Systems – Colonial

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DWKL-Lt Jeremias

Double Wall -Lighter gauge inner Conical all-in-one chimney and exhaust system

  • All-stainless with 25-year warranty.
  • Leak proof conical high pressure joints.
  • Cut length available for maximum field flexibility.
  • Smooth flow and known resistance for perfected factory pressure calculations.
  • Low and man-safe skin temperatures.
  • Dramatically reduces clearance to combustibles.

Inner Liner Material

444 stainless steel
Optional 304, 316L, or 430 stainless steels

Outer Jacket Material

304 polished stainless steel
Optional matt, powder coated, brushed, or copper

Wall thickness

Inner Liner 0.020″ thick
Outer Jacket 0.025″ thick

Inner diameter

3 – 18 inch

Insulation

Ceramic Fiber, 1.5″ thick compressed to 1.25″ space

Connection

Conical, gasket free

Locking band

Attached to each part

DWKL-Vt

Stainless Steel Chimney – Double Wall Systems – Colonial

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DWLK-Vt Jeremias

Double Wall -Vent Conical all-in-one chimney and exhaust system

  • All-stainless with 25-year warranty.
  • Leak proof conical high pressure joints.
  • Cut length available for maximum field flexibility.
  • Smooth flow and known resistance for perfected factory pressure calculations.
  • Low and man-safe skin temperatures.
  • Dramatically reduces clearance to combustibles.

Inner Liner Material

444 stainless steel

Outer Jacket Material

304 polished stainless steel
Optional matt, powder coated, brushed, or copper

Wall thickness

Inner Liner 0.020″ thick
Outer Jacket 0.025″ thick

Inner diameter

3 – 18 inch

Insulation

1.25″ thick cut fiber insulation

Connection

Conical, gasket free

Locking Band

Attached to each part

DWKL-Rx

Stainless Steel Chimney – Double Wall Systems – Colonial

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Double Wall Conical all-in-one chimney and exhaust system

  • All-stainless with 25-year warranty.
  • Leak proof conical high pressure joints.
  • Cut length available for maximum field flexibility.
  • Smooth flow and known resistance for perfected factory pressure calculations.
  • Low and man-safe skin temperatures.
  • Dramatically reduces clearance to combustibles.

Inner Liner Material

444 stainless steel

Outer Jacket Material

304 polished stainless steel
Optional matt, powder coated, brushed, or copper

Wall thickness

Inner Liner 0.035″
Outer Jacket 0.025″ (diameters 5 – 24 inch)
Outer Jacket 0.035″ (diameters 26 – 36 inch)

Inner diameter

5 – 36 inch

Insulation

Rx, 1.25” thick cut fiber insulation
Rx+2, 2.25” thick cut fiber insulation
Rx+3, 3.25” thick cut fiber insulation
Rx+4, 4.25” thick cut fiber insulation
Rx+5, 5.25” thick cut fiber insulation
Rx+6, 6.25” thick cut fiber insulation

Connection

Conical, gasket free

Locking band

Attached to each part

DWFL

Stainless Steel Chimney – Double Wall Systems – Flanged

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DWKL Jeremias

DWFL – Double Wall Flanged Joint

  • Extremely rugged and made of all-stainless with 25-year warranty
  • Leak proof high pressure joints
  • All components are stainless steel
  • Smooth flow and known resistance for perfected factory pressure calculations
  • Low and man-safe skin temperatures and dramatically reduced clearance to combustibles

Inner Material

Inner liner made of high-grade 444 stainless steel

Outer Jacket Material

Outer jacket made of 304 stainless steel

Wall thickness

Inner

5” through 36” = 0.035” thick

Outer

5” through 24” = 0.025” thick

26” through 36” = 0.035” thick

Inner diameter

6” – 36” I.D.

Insulation

1.25” Air

Connection

Inner connection is a 1.25” conical overlapping joint with added ½” rolled flange and vee band connection.

Supplied sealant is used in the vee band to make seal.

Blanket insulation and outer band completes the joint assembly.

Locking band

Attached to each part

DWFL +1, +2, +3 and +4

Stainless Steel Chimney – Double Wall Systems – Flanged

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DWFL +1, +2, +3 and +4 Jeremias

DWFL – Double Wall Flanged Joint

  • Extremely rugged and made of all-stainless with 25-year warranty
  • Leak proof high pressure joints
  • All components are stainless steel
  • Smooth flow and known resistance for perfected factory pressure calculations
  • Low and man-safe skin temperatures and dramatically reduced clearance to combustibles

Inner Material

Inner liner made of high-grade 444 stainless steel

Outer Jacket Material

Outer jacket made of 304 stainless steel

Wall thickness

Inner

5” through 36” = 0.035” thick

Outer

5” through 24” = 0.025” thick

26” through 36” = 0.035” thick

Inner diameter

6” – 36” I.D.

Insulation

Ceramic fiber insulation at:

1.25”, 2.25”, 3.25”, or 4.25” thick fiber

Connection

Inner connection is a 1.25” conical overlapping joint with added ½” rolled flange and vee band connection.

Supplied sealant is used in the vee band to make seal.

Blanket insulation and outer band completes the joint assembly.

Locking band

Attached to each part

DWFL -ZC Grease Duct

Stainless Steel Chimney – Double Wall Systems – Flanged

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DWFL -ZC Grease Duct Jeremias

DWFL-ZC UL-2221 Zero Clearance & Fire Rated Grease Duct

  • Extremely rugged made in all-stainless with 25-year warranty
  • Leak proof high-pressure joints
  • Cut length available for maximum field flexibility
  • Smooth flow and known resistance for perfected factory pressure calculations
  • Zero clearance and 2-hour fire rated so it eliminates the requirements for an additional fire rated shaft.

Inner Material

Inner liner made of high-grade ASTM 316L stainless steel.

Outer Jacket Material

Outer jacket made of ASTM 304 stainless steel

Wall thickness

Inner

6” through 36” = 0.035” thick

Outer

6” through 24” = 0.025” thick

26” through 36” = 0.035” thick

Inner diameter

6” – 36” I.D.

Insulation

3.25” thick compressed ceramic fiber insulation

Connection

Inner connection is a 1.25” overlapping joint with added ½” rolled flange and vee band connection.

Supplied sealant is used in the vee band to make seal.

Blanket insulation and outer band completes the joint assembly.

Locking band

Attached to each part

DWFL -ZC Gas Vent

Stainless Steel Chimney – Double Wall Systems – Flanged

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DWFL - ZC Grease Duct Jeremias

DWFL-ZC Zero Clearance & Fire Rated Special Gas Vent

  • Eliminates the need for fire dampers in HVAC ducts and fume venting applications.
  • Extremely rugged made in all stainless with 25-year warranty.
  • Leak proof high pressure joints.
  • Cut length available for maximum field flexibility.
  • Smooth flow and known resistance for accurate factory pressure calculations.
  • Zero clearance and two-hour fire rated so it eliminates the requirements for an additional fire rated shaft.

Inner Material

Inner liner made of high-grade ASTM 444 stainless steel.

Outer Jacket Material

Outer jacket made of ASTM 304 stainless steel

Wall thickness

Inner

6” through 36” = 0.035” thick

Outer

6” through 24” = 0.025” thick

26” through 36” = 0.035” thick

Inner diameter

6” – 36” I.D.

Insulation

3.25” thick compressed ceramic fiber insulation

Connection

Inner connection is a 1.25” overlapping joint with added ½” rolled flange and vee band connection.

Supplied sealant is used in the vee band to make seal.

Blanket insulation and outer band completes the joint assembly.

Locking band

Attached to each part

DWGV

Stainless Steel Chimney – Double Wall Systems – Flanged

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DWGV Jeremias

Double Wall Special Gas Vent

  • All-stainless steel construction with 25-year warranty.
  • Assurance of finest quality and reliability.
  • Quick and easy installation.
  • Patent Pending field cutable length for maximum flexibility during installation.

Inner Liner Material

444 or ASTM 316L stainless steel

Outer Jacket Material

ASTM 304 stainless steel – BA Finish

Wall thickness

Inner Liner 0.020″ (diameter 3” – 12″ I.D.)
Inner Liner 0.035″ (diameter 13” – 36″ I.D.)
Outer Jacket 0.020″ (diameters 3” – 12” I.D.)
Outer Jacket 0.025″ (diameters 13” – 24” I.D.)
Outer Jacket 0.035″ (diameters 26” – 36” I.D.)

Inner diameter

3 – 36”

Insulation

Ø3 – Ø12” – 1” insulating air space

Ø13 – Ø36” – 1.25” insulating air space

Connection

Ø3 – Ø12” – Industry leading 2.28” overlapping joint with silicone 3-ribbed gasket

Ø13 – Ø36” –  Inner connection is a 1.25” conical overlapping joint with added ½” rolled flange and vee band connection. Supplied sealant is used in the vee band to make seal.

Locking band

Attached to each part

ECCO Type B Gas Vent

Stainless Steel Chimney – Double Wall Systems

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Ecco Type B Gas Vent Jeremias

Double Wall Type B Gas Vent

Inner Liner Material

Inner liner made of Aluminum Alloy

Outer Jacket Material

Outer jacket made of Galvalume Steel

Wall thickness

¼” on diameters 3” through 8”
1” air space on diameters 10” through 30”

Inner diameter

3 – 12 inch

10 – 30 inch

Ratings / Installation Requirements

Maximum 470°F continuous flue gas temperature

Negative vent pressures only

Install at ¼” per foot slope back towards appliance

Insulation

Insulating air space

3” through 8” Connection Details

Align the seams and twist left to lock

10” through 30” Connection Details

Insert the male coupler into the female coupler and use sheet metal screws through holes in the female coupler

DWGD-ZC

Stainless Steel Chimney – Double Wall Systems

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Zero Clearance and fire rated Grease Duct double wall system

  • Leak proof high-pressure joints
  • Cut length available for maximum field flexibility
  • Smooth flow and known resistance for perfected factory pressure calculations
  • Zero clearance and 2-hour fire rated so it eliminates the requirements for an additional fire rated shaft

Wall thickness

Inner Liner per UL-1978/-2221 Listing
Outer Jacket 0.025″ (diameters 6 – 24 inch)
Outer Jacket 0.035″ (diameters 26 – 36 inch)

Inner diameter

5-36 inch

Insulation

3.25″ thick compressed ceramic fiber

Connection

Vee band connection

Locking band

Attached to each part

DWGD +1

Stainless Steel Chimney – Double Wall Systems

For More Information:

DWGD +1 Jeremias

Double Wall reduced clearance grease duct

  • Leak proof conical high pressure joints
  • All components are stainless steel
  • Smooth flow and known resistance for perfected factory pressure calculations
  • Dramatically reduces clearance to combustibles

Wall thickness

Inner Liner per UL-1978 Listing
Outer Jacket 0.025″ (diameters 5 – 24 inch)
Outer Jacket 0.035″ (diameters 26 – 36 inch)

Inner diameter

5-36 inch

Insulation

Ceramic Fiber, 1.5″ thick compressed to 1.25″ space

Connection

Conical

Locking band

Attached to each part