Twin Wall Insulated Flue
Multi Fuel Flue System
Commercial Sizes 250mm - 500mm
About FSM Group FSM Group is a family-run company with over 40 years direct experience of selling chimney products to the UK chimney trade and retail sector. All our products have been selected from quality manufacturers and are trusted by trade installers across the UK. We believe our products should give you both value for money as well as peace of mind.
Quality Assurance All twin wall products are HETAS approved and come with a 25 year guarantee. They have all been tested to comply with all UK building regulations.
2
Commercial Twin Wall Flue Our DW-ECO Twin Wall Flue Systems are German manufactured, engineered in both Spain and in Germany. The high-temperature resistant twin-wall system they produce is made from 304 outer (0.4-0.6mm) and 316 inner (0.4-0.6mm) stainless steel. The twin-wall system is densely packed with rigid mineral wool insulation, of 25mm thickness (120kg/m3) designed to maintain the heat inside the system and create a better draw. DW ECO 2.0 is a multi fuel, twin wall insulated stainless steel flue system suitable for all applications in negative and positive pressure, including condensing (joint seals). Designed for use with all gas, oil, pellet, wood, coal domestic, commercial or industrial appliances. Maximum constant working temperature 600° C and short firing up to 700° C with thermal shock testing up to 1000° C.
Product designations 0.1 dw-eco 316
Metal exhaust gas system
EN 1856-1
T600
N1
D
VM-L50040
G(70)
0.2 dw-eco 316
Metal exhaust gas system
EN 1856-1
T450
N1
D
V3-L50040
G(60)
0.3 dw-eco 316
Metal exhaust gas system
EN 1856-1
T400
N1
W
V2-L50040
O(30)
0.8 dw-eco 316
Metal exhaust gas system
EN 1856-1
T200
P1
W
V2-L50040
O(30)
Product Description No. of Standard Temperature Range Pressure Range Condensation resistence (W: Wet or D: Dry) Corrosion resistance material of exhaust gas system Soot FIRE resistence (G: Yes or O: No) Distance to combustible materials (mm)
Size Range Available in 250mm (10”) - 500mm (20”). Any larger sizes can be ordered in up to 600mm internal diameter. Please note: all sizes are based on the internal measurement of the flue. The external size will be 2” bigger than the internal measurement.
Installation Guidelines For detailed installation guidelines, please refer to the following: • DW-ECO 2.0, Certification & Installing Instructions
• NACS- National Association of Chimney Sweeps
• Document J UK Building Regulations
• Planning Office
• HETAS -Heating Equipment Testing and Approval Scheme 3
ONE SYSTEM MULTIPLE APPLICATIONS All of the twin-wall system have a stainless steel finish. However, these can be powder coated to most BS or RAL colour codes if required.
Standard floor standing Boiler:
DW ECO 2.0 is the solution for small commercial and industrial standard natural draft or pressure jet boilers. DW ECO 2.0 is suitable for wet conditions, with a capillary break in every joint. Depending on the kind of fuel and sulphur content alternative inner wall stainless steel alloys are available under request. Please consult first your national installation guidances and regulations before ordering. CE Designation: T400 N1 V2-L50040 O30
Condensing boilers in cascade:
DW ECO 2.0 can be installed to fit modern condensing appliances in cascade. using high quality silicone joints in every component DW ECO 2.0 can hold positive pressure till 200 pa. a slope of 3° minimum is compulsory in horizontal runs, therefore the use of Tees and elbows in 87° is needed. The use of drain points in the most critical parts of the installation is recommended. The special designed header tees are neccessary when connecting multiple appliances into a common Header, these are fully welded and guarantee the water resistance of the installation. Please read our technical manual and installing instructions or contact our technical department for installation advise. CE Designation: T200 P1 W V2-L50040 O00
Biomass Boiler:
A typical application for the chimney system DW ECO 2.0 are biomass boilers. Heating with biomass a CO2 neutral alternative for individual houses, apartments or office buildings DW ECO 2.0 gives the solution for the smoke exhaust. DW ECO 2.0 is tested to 600° C continous operating temperature and soot fire tested at 1000° C and has the highest corrosion resistance level V3. Please note that frequent cleaning and maintenance of the chimney system (specially with solid fuel) will extend the lifetime of the product. Jeremias provides a 25 year warranty. CE Designation: T600 N1 V3-L50040 G70
OUR COMMITMENT WE NEVER COMPROMISE ON QUALITY
4
TWIN WALL ADAPTORS
Push Fit Design Easier Installation Our twinwall insulated flue is easy to install with the push fit system for extra rigid and secure installation.
5
Adaptors Single to Twin-Wall Stove Adaptor
Used to adapt from single skin stove pipe to the twin-wall system. 10”
12”
14”
16”
18”
20”
Ø
250
300
350
400
450
500
A
80
80
80
80
80
80
B
100
100
100
100
100
100
C
160
160
160
160
160
160
Twin-Wall to Single Stove Adaptor
Used to adapt from twin-wall to the single skin stove pipe. 10”
12”
14”
16”
18”
20”
Ø
250
300
350
400
450
500
A
80
80
80
80
80
80
B
100
100
100
100
100
100
C
160
160
160
160
160
160
Increasing Twin-Wall Stove Adaptor
Used to increase from smaller diameter stove pipe to larger internal diameter twin-wall system. 10”
12”
14”
16”
18”
20”
Ø
250
300
350
400
450
500
A
300
350
400
450
500
550
Decreasing Twin-Wall Stove Adaptor
Used to decrease from larger diameter stove pipe to smaller internal diameter twin-wall system.
6
10”
12”
14”
16”
18”
20”
Ø
250
300
350
400
450
500
A
200
250
300
350
400
450
Female Boiler
Twin-Wall Adaptor
Used to adapt from Boiler to the twin-wall system. 10”
12”
14”
16”
18”
20”
Ø
252
302
352
402
452
502
A
300
350
400
450
500
550
Male Boiler
Twin-Wall Adaptor Used to adapt from twin-wall to the a boiler system. 10”
12”
14”
16”
18”
20”
Ø
250
300
350
400
450
500
A
300
350
400
450
500
550
Anchor Plate
Twin-Wall Adaptor Used to adapt from flexible liner to the twin wall system. With the addition of an anchor plate which can act as a load bearing support for the system.
Ø
10”
12”
14”
16”
18”
20”
250
300
350
400
450
500
7
TWIN WALL LENGTHS
Designed with Quality In Mind Our system has been tested in different scenarios to proof different combinations of temperature, pressure and corrosion resistance.
8
Lengths Straight Lengths 1000mm - 500mm - 250mm The lengths can be used internally and externally to achieve the required height for the system and push-fit together with the locking bands provided. 1000mm starter lengths with a 1mm internal thickness are also available (adaptor not included).
Ø
10”
12”
14”
16”
18”
20”
250
300
350
400
450
500
Adjustable Lengths 370mm - 550mm 550mm- 900mm It is recommended that the adjustable lengths are used internally to achieve the required height for the system when an in-between size is needed. Again, these push-fit together with the locking bands provided. They are not recommended for use between ceilings or roof timbers.
Ø
10”
12”
14”
16”
18”
20”
250
300
350
400
450
500
Length
With Side Drain
Length used for draining any condensation or liquid residue from the chimney. This item can also be installed vertically or horizontally. 10”
12”
14”
16”
18”
20”
Ø
250
300
350
400
450
500
ØA
300
350
400
450
500
650
9
Inspection Length With Door 40PA & 200PA
Length to be used internally to achieve required height and easy access for cleaning. 10”
12”
14”
16”
18”
20”
Ø
250
300
350
400
450
500
A
360
400
500
500
500
500
B
300
340
440
440
440
440
C
130
150
200
200
200
200
Measuring Adaptor
Length
Length With Measuring Adaptor is used for checking the chimney draught, flue temperature & combustion efficiency of the heating appliance.½” port with plug to prevent leakage.
Ø
10”
12”
14”
16”
18”
20”
250
300
350
400
450
500
Draft Damper Length
Length to be used to control the draft within the chimney. 10”
12”
14”
16”
18”
20”
Ø
250
300
350
400
450
500
A
300
350
400
450
500
550
B
420
470
520
570
620
670
C
210
235
260
285
310
335
Draught Stabilizer With Adaptor
The adaptor fits into the branch of the Twin Wall Insulated 90° Tee, It is used to control excess draft for oil/solid fuel/biomass.
Ø 10
10”
12”
14”
16”
18”
20”
250
300
350
400
450
500
TWIN WALL ELBOWS, OFFSETS & TEE’S
15° Bend The bend is used to offset the flue system in 15° direction required for installation. 10”
12”
14”
16”
18”
20”
Ø
250
300
350
400
450
500
A
10
11
12
14
15
16
B
134
141
147
154
160
167
C
38
41
44
48
51
54
D
98
101
104
108
111
114 11
Bends / Elbows
Elbows 30° Bend The bend is used to offset the flue system in 30° direction required for installation. 10”
12”
14”
16”
18”
20”
Ø
250
300
350
400
450
500
A
29
32
36
39
42
46
B
169
181
194
206
219
231
C
58
65
72
78
85
92
D
118
125
132
138
145
152
45° Bend
” - 8”
173
250
The bend is used to offset the flue system in 45° direction required for installation.
165 65 45
12”
14”
16”
18”
20”
Ø
250
300
350
400
450
500
A
57
64
71
79
86
93
B
197
214
232
250
268
285
C
80
90
101
111
122
132
D
140
150
161
171
182
192
87° Bend
C
The bend is used to offset the flue system in 87° direction required for installation. Locking band is included.
D
A
10”
b
10”
12”
14”
16”
18”
20”
Ø
250
300
350
400
450
500
A
248
272
295
319
343
367
B
258
283
308
333
358
383
C
188
212
235
259
283
307
D
138
148
158
168
178
188
90° Bend The bend is used to offset the flue system in 90° direction required for installation. Locking band is included.
12
10”
12”
14”
16”
18”
20”
Ø
250
300
350
400
450
500
A
256
281
306
331
356
381
B
164
185
206
226
247
268
C
196
221
246
271
296
321
D
140
150
161
171
182
192
Offsets & Angles No Length Between Bends ELBOW 15° B
30° 45°
10”
12”
14”
16”
18”
20”
A
36
38
40
41
43
45
B
274
287
00
313
326
339
A
90
97
104
110
117
124
B
337
362
387
412
437
462
A
159
173
188
203
217
232
B
383
418
454
489
524
560
A
250mm length with elbow These measurements are required when the installation needs to rotate in one direction and then another. Shown are the measurements for the offsets of bends both with and without lengths in-between.
ELBOW 15°
10”
12”
14”
16”
18”
20”
thA ng e B L
85
87
89
90
92
94
458
471
484
497
510
523
A
185
192
199
205
212
219
B
501
526
551
601
626
A
293
308
322
576B 337
352
366
B
517
553
588
623
623
659
30° 45°
500mm Length with elbow ELBOW
h gt n Le
15° B
30° 45°
10”
12”
14”
16”
18”
20”
A
150
152
153
155
157
159
B
699 A
712
725
738
751
764
310
317
324
330
337
344
B
718
743
768
793
818
843
A
470
484
499
514
528
543
B
694
729
765
800
835
871
A
1000mm length with elbow ELBOW A
15° 30° 45°
10”
12”
14”
16”
18”
20”
A
279
281
283
285
286
288
B
1182
1195
1208
1221
1234
1247
A
560
567
574
580
587
594
B
1151
1176
1201
1226
1251
1276
A
823
838
853
867
882
897
B
1048
1083
1118
1154
1189
1224 13
Tee’s & caps 45° Tee The tee pieces come complete with locking bands. 10”
12”
14”
16”
18”
20”
Ø
250
300
350
400
450
500
A
586
656
726
806
876
946
B
526
596
666
746
816
886
C
440
500
561
621
682
742
D
311
354
397
439
482
525
87° Tee The tee pieces come complete with locking bands. 10”
12”
14”
16”
18”
20”
Ø
250
300
350
400
450
500
A
476
526
576
626
676
726
B
416
466
516
566
616
666
C
246
272
299
325
351
378
D
246
272
299
325
351
377
90° Tee The tee pieces come complete with locking bands. 10”
12”
14”
16”
18”
20”
Ø
250
300
350
400
450
500
A
476
526
576
626
676
726
B
416
466
516
566
616
666
C
238
263
288
313
338
363
D
178
203
228
253
278
303
Tee Cap Allows access to the system for sweeping and inspection.
Tee Cap With Drain Allows access to the system for sweeping and inspection and drainage.
Tee Cap
With Side Drain
Allows access to the system for sweeping and inspection and drainage.
14
SUPPORT COMPONENTS
Fully Interchangable Flue System Our Stainless Steel & Matt Black Systems are fully interchangable with each other to allow you to create a more stylish installation.
15
Support Components Wall Support Bracket Intermediate
Used for additional support at the base of the external installation. 10”
12”
14”
16”
18”
20”
Ø
250
300
350
400
450
500
A
330
380
430
480
530
580
B
175
200
225
250
300
325
Guy Wire Bracket Used in conjunction with Guy Wire (not supplied) to support the run of the twin-wall if it is over 1.5mtrs above the roof. Also may be used in conjunction with rigid angle iron stays (not supplied). 10”
12”
14”
16”
18”
20”
Ø
250
300
350
400
450
500
A
300
350
400
450
500
550
Ceiling Hanger
Swivel Ring
Used to attach to the ceiling for additional support. 10”
12”
14”
16”
18”
20”
Ø
250
300
350
400
450
500
A
300
350
400
450
500
550
Roof Stabilizer Bracket 1 - 2 Metre Used to support the run of the twin-wall if it is over 1.5mtrs above the roof. 10”
12”
14”
16”
18”
20”
Ø
250
300
350
400
450
500
A
300
350
400
450
500
550
B
20
20
20
20
30
30
C 16
1000 - 2000
Support Components Roof Support Used to attach to the roof rafters for additional support. 10”
12”
14”
16”
18”
20”
Ø
250
300
350
400
450
500
A
300
350
400
450
500
550
Roof Bracing
Adjustable
Used to attach to the roof rafters for additional support. 10”
12”
14”
16”
18”
20”
Ø
250
300
350
400
450
500
A
300
350
400
450
500
550
Wall Support
Adjustable 22.5 - 75mm
Used for load bearing support the base of the flue system.
10”
12”
14”
16”
18”
20”
Ø
250
300
350
400
450
500
A
300
350
400
450
500
550
B
345
395
445
495
545
595
C
425
475
525
575
625
675
D
360
410
460
510
560
610
17
Support Components Wall Support Cross Rail 500mm
Used to provide lateral support for a twin wall system can be used for internal and external walls. 10”
12”
14”
16”
18”
20”
Ø
250
300
350
-
-
-
A
185
135
85
-
-
-
Wall Support Cross Rail 750mm
Used to provide lateral support for a twin wall system can be used for internal and external walls. 10”
12”
14”
16”
18”
20”
Ø
250
300
350
400
450
500
A
435
385
335
285
235
185
Wall Support Cross Rail 1030mm
Used to provide lateral support for a twin -wall system can be used for internal and external walls. 10”
12”
14”
16”
18”
20”
Ø
250
300
350
40
450
500
A
715
665
615
565
515
465
Calculate Wall Brace And Crossbars Used to calculate the maximum distance from the external wall. All cross rail supports are used with the intermediate base support
18
10”
12”
14”
16”
18”
20”
Ø
250
300
350
400
450
500
500mm
185
135
85
-
-
-
750mm
435
385
335
285
235
185
1000mm
715
665
615
565
515
465
Support Components Intermediate base support Plate
Used for additional support at any point of the external installation.
Ø
10”
12”
14”
16”
18”
20”
250
300
350
400
450
500
A
300
350
400
45
500
550
C
425
475
525
575
625
675
D
345
395
445
495
545
595
Adjustable Base Support 60mm - 1115mm
Used for additional support at any point of the external installation.
10”
12”
14”
16”
18”
20”
Ø
250
300
350
400
450
500
A
300
350
400
45
500
550
B
345
395
445
495
545
595
Locking Band Quick Lock
Used to provide support for a twin wall system with a quick release and locking system. 10”
12”
14”
16”
18”
20”
Ø
250
300
350
400
450
500
A
300
350
400
450
500
550
19
Wall Brackets Wall Band
Adjustable 50mm - 80mm
Used to provide lateral support for a twin wall system can be used for internal and external walls. 10”
12”
14”
16”
18”
20”
Ø
250
300
350
400
450
500
A
300
350
400
45
500
550
Wall Band
Adjustable 50mm - 150mm
Used to provide lateral support for a twin wall system can be used for internal and external walls. 10”
12”
14”
16”
18”
20”
Ø
250
300
350
400
450
500
ØA
300
350
400
45
500
550
A
410
460
510
560
610
660
B
325
400
Wall Band
Adjustable 150mm - 250mm Used to provide lateral support for a twin wall system can be used for internal and external walls. 10”
12”
14”
16”
18”
20”
Ø
250
300
350
400
450
500
ØA
300
350
400
45
500
550
A
410
460
510
560
610
660
B
425
500
575
Wall Band
Adjustable 250mm - 350mm Used to provide lateral support for a twin wall system can be used for internal and external walls. 10”
12”
14”
16”
18”
20”
Ø
250
300
350
400
450
500
ØA
300
350
400
45
500
550
A
410
460
510
560
610
660
B
20
525
600
675
CEILING SUPPORTS & FIRE STOP SPACERS
Matt Black Powder Coated Our Matt Black twin range is designed and manufactured with a high quality powder coated finish to last and never peel.
21
Ceiling Supports & Trims 45° Trim Collar Oval
Used to neaten the installation holes in both walls and ceilings. 10”
12”
14”
16”
18”
20”
Ø
250
300
350
400
450
500
A
257
307
357
457
457
507
B
354
425
495
566
637
704
90° Trim Collar Round
Used to neaten the installation holes in both walls and ceilings. 10”
12”
14”
16”
18”
20”
Ø
250
300
350
400
450
500
A
257
307
357
407
457
507
Ceiling/Floor
Support
Ceiling supports are load bearing and come with support collar. Used on oil and gas installations where the flue gas temperature does not exceed 250°C or for solid fuel when passing through a non combustible floor/ceiling. 10”
12”
14”
16”
18”
20”
Ø
250
-
-
-
-
-
A
258
-
-
-
-
-
Vented Ceiling/Floor
Support
Ceiling supports are load bearing and come with support collar.
22
10”
12”
14”
16”
18”
20”
Ø
250
300
350
400
450
500
C
530
580
630
680
730
780
Fire Stop Spacers Firestop Spacer Split 0° - 30°
For use when going through a floor or ceiling at an angle. 10”
12”
14”
16”
18”
20”
Ø
250
300
350
400
-
-
A
595
645
695
745
-
-
B
303
353
403
453
-
-
C
340
370
400
430
-
-
Firestop Spacer Split 31° - 45°
For use when going through a floor or ceiling at an angle. 10”
12”
14”
16”
18”
20”
Ø
250
300
350
400
-
-
A
595
645
695
745
-
-
B
303
353
403
453
-
-
C
340
370
400
430
-
-
D
177
206
235
265
-
-
Firestop Spacer
Vented
Used for enclosed upper sections to allow air ventilation.
Ø
10”
12”
14”
16”
18”
20”
250
300
350
-
-
-
A
258
308
358
-
-
-
B
264
314
364
-
-
-
C
341
391
441
-
-
-
D
395
445
495
-
-
-
Split Firestop Spacer
Vented
For use when going through a floor or ceiling at an angle. Available in 0 - 30° and 31 - 45°. 10”
12”
14”
16”
18”
20”
Ø
250
300
350
400
450
500
A
545
595
645
695
745
795
B
253
303
353
403
453
503
C
310
335
360
385
410
435 23
ROOF FLASHINGS & TERMINALS
Quality At Every Angle Our range of flashing come in either stainless steel or lead based to provide that all needed water tight finish to your installation.
24
Flashings Storm Collar 10”
12”
14”
16”
18”
20”
Ø
250
300
350
400
450
500
A
300
350
400
450
500
550
Flashings
Storm collars deflect rain from the top of the lead flashing. Seal with silicone sealant.
Flat Flashing 0 - 5° The stainless steel flashing acts as weatherproofing for the twin-wall system when used externally through a roof. 10”
12”
14”
16”
18”
20”
Ø
250
300
350
400
450
500
A
330
380
430
480
530
585
B
750
750
1000
1000
1000
1000
C
1000
Roof Flashing 5 - 25° The lead-based flashings (with stainless steel upstand) act as weatherproofing for the twin-wall system when used externally through a roof. 10”
12”
14”
16”
18”
20”
Ø
250
300
350
400
450
500
A
330
380
430
480
530
585
B
750
750
750
1000
1100
1200
C
1000
1000
1000
1200
1200
1300
Roof Flashing 25 - 45° The lead-based flashings (with stainless steel upstand) act as weatherproofing for the twin-wall system when used externally through a roof. 10”
12”
14”
16”
18”
20”
Ø
250
300
350
400
450
500
A
330
380
430
480
530
585
B
750
750
750
1000
1100
1200
C
1000
1000
1000
1200
1200
1300
25
Terminals All Weather Cowl
These terminals are especially designed to fit the Jeremias twin - wall system providing protection against rain and other elements. 10”
12”
14”
16”
18”
20”
Ø
250
300
350
400
-
-
A
300
350
400
450
-
-
B
560
675
785
895
-
-
C
155
230
230
230
-
-
Rain Cap These terminals are especially designed to fit the Jeremias twin - wall system providing protection against rain and other elements. 10”
12”
14”
16”
18”
20”
Ø
250
300
350
400
450
500
A
247
297
347
397
447
497
B
500
600
650
700
750
800
H
350
395
460
460
460
560
Top Stub The top stub will close off the insulation at the top of the system and converts the size back to the internal diameter. (Locking bands are NOT provided with these components)
Ø
10”
12”
14”
16”
18”
20”
250
300
350
400
450
500
Horizontal Terminal Oil Horizontal terminalWith Mesh used to fit to the the flue system as a horizontal outlet and is secured by way of a locking band (Locking bands are NOT provided with these components)
Ø
26
10”
12”
14”
16”
18”
20”
250
300
350
400
450
500
Gas All Weather Cowl These terminals are especially designed to fit the Jeremias twin - wall system providing protection against rain and other elements fitted with 10mm gas mesh. 10”
12”
14”
16”
18”
20”
Ø
250
300
350
400
-
-
A
300
350
400
450
-
-
B
560
675
785
895
-
-
C
155
230
230
230
-
-
GLC Terminal These terminals are especially designed to fit the Jeremias twin - wall system providing protection against rain and other elements. 10”
12”
14”
16”
18”
20”
Ø
250
300
350
400
450
500
A
300
350
400
450
500
550
H
375
405
435
465
495
525
Condensing Seal Used on condensing systems
Ø
10”
12”
14”
16”
18”
20”
250
300
350
400
450
500
27
ISO 9001 FS 576960
FSM Group Unit 6-7, Link 20, Bellingham Way, Aylesford, Kent, ME20 7HD Tel: 0844 800 6586 Email: info@fsmgroup.co.uk Copyright 2021 FSM ©