Jeremias® Double Wall Systems
DWKL-LT
Stainless Steel Chimney – Double Wall Systems – Colonial
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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
For More Information:
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
DWFL
Stainless Steel Chimney – Double Wall Systems – Flanged
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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 – 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 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 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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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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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
DWCK-ZC
Stainless Steel Chimney – Double Wall Systems
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Description
Double Wall Commercial Kitchen Exhaust
Materials
Inner and outer jacket are stainless steelAll supports and accessories are stainless steel
Wall thickness
Outer Jacket is 0.035” thick for all diameters
Inner diameter
6-36 inch
(use Model DWFL-ZC for diameters 38” through 48”)
Insulation
3 ¼” thick high-density ceramic fiber insulation
Connection
2.2” overlapping joint with Patent-Pending light weight technology and a double female socket permitting fastest alignment/installation on the market
Locking band
Attached to each part
DWCK +1
Stainless Steel Chimney – Double Wall Systems
For More Information:
Double Wall Commercial Kitchen Exhaust
Materials
Made of all stainless steel (both inner and outer jacket)
All supports and accessories are stainless steel
Wall thickness
Thickness per UL-1978 Listing
Inner diameter
6-36 inch
(use Model DWFL+1 for diameters 38” through 48”)
Insulation
1.5” thick ceramic fiber insulation compressed into a 1.25″ thick space
Connection
2.2” overlapping joint with Patent-Pending light weight technology and a double female socket permitting fastest alignment/installation on the market
Locking band
Attached to each part