WarmFlow 70/90 - Page 13

3.7.4 Easy Fit Vertical Balanced Flue (VBF)
EXTENSION KITS
AS REQUIRED
(PACKS C OR D)
PACK E OR F PACK E OR F
A
175 MIN
225 MAX
900 MIN
1400 MAX
PACK A
PACK H
PITCHED ROOF
FLASHING
(22" – 45"
ADJUSTABLE)
PACK B
VBF TERMINAL
SECTION
EXTENSION KITS
(PACK C OR D) AS
REQUIRED
MAX 2 NO PACK D
PACK A
675mm
MIN
675mm
MIN
PACK G
FLAT ROOF
FLASHING
PACK B
VBF TERMINAL
SECTION
MIN
435
560
735
MAX
610
860
910
A + E
A + F
A + C + E
FLUE PACKS
DIM A
ALL MODELS
MIN
860
1035
1160
1385
1510
MAX
1160
1210
1510
1560
1860
A + C + F
A + C + C + E
A + C + C + F
A + D + E
A + D + F
FLUE PACKS
DIM A
50/70, 70/90 & 90/120 MODELS ONLY
MIN
1340
1640
1940
2290
2590
2890
3240
MAX
1840
2140
2440
2740
3040
3340
3740
A + B
A + B + C
A + B + C + C
A + B + D
A + B + D + C
A + B + D + C + C
A + B + D + D
FLUE PACKS
FLUE HEIGHT
ALL MODELS
Note: When using a VBF or HLBF-R on a 120/150 or 150/200 model ensure that the boiler is
fitted with a RDB3 burner.
3.7.3 Easy Fit Telescopic High Level Balanced Flue (HLBF-R)
Page 11