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TABLE 7.4a: CROWN CONCENTRIC 60/100 VENT COMPONENTS
(VENT OPTION 1)
CROWN PN DESCRIPTION SIZE
USED ON
VENT
OPTION #
COMMENTS
230521
80/125 x 60/100mm REDUCING
ELBOW
80/125 x
60/100mm
1 INCLUDED WITH STANDARD BOILER
230520 TERMINAL SECTION 60/100mm 1 INCLUDED WITH STANDARD BOILER
230522 WALL GROMMET 60/100mm 1 INCLUDED WITH STANDARD BOILER
230505 39” STRAIGHT 60/100mm 1 OPTIONAL - MAY NOT BE CUT
230504 78” STRAIGHT 60/100mm 1 OPTIONAL - MAY NOT BE CUT
230506 19 1/2” STRAIGHT 60/100mm 1 OPTIONAL - CAN BE CUT
230507 90 DEGREE ELBOW 60/100mm 1 OPTIONAL
230508 45 DEGREE ELBOW 60/100mm 1 OPTIONAL
230515 39” STRAIGHT 80/125mm 1 OPTIONAL - CAN BE CUT (Note #1)
Note #1: On 60/100mm vent systems, this may only be used between the boiler and the first 80/125 x 60/100 Reducing elbow (see text).
TABLE 7.4b: CROWN CONCENTRIC 80/125 VENT COMPONENTS
(VENT OPTIONS 3,6)
CROWN PN DESCRIPTION SIZE
USED ON
VENT
OPTION #
COMMENTS
230527 90 DEGREE EL (STANDARD) 80/125mm 3,6
230528 90 DEGREE EL (SWEEP) 80/125mm 3,6
230526 45 DEGREE EL 80/125mm 3,6
230517 19 1/2” STRAIGHT 80/125mm 3,6 CAN BE CUT
230515 39” STRAIGHT 80/125mm 3,6 CAN BE CUT
230518 39” STRAIGHT 80/125mm 3,6 MAY NOT BE CUT
230519 78” STRAIGHT 80/125mm 3,6 MAY NOT BE CUT
230525 TELESCOPING STRAIGHT 80/125mm 3,6 ADJUSTABLE FROM 12-1/2” TO 16-1/2
230531 HORIZONTAL TERMINAL 80/125mm 3
230540 SNORKEL KIT 80/125mm 3 (NOTE #1)
230532 VERTICAL TERMINAL 80/125mm 6 (NOTE #2)
230533 FLAT ROOF FLASHING 80/125mm 6
230535 SLOPED ROOF FLASHING 80/125mm 6 (NOTE #3)
230530
SUPPORT ELBOW WITH
CHIMNEY CHASE BRACKET
80/125mm 6 (NOTE #4)
230536 SUPPORT BAND 80/125mm 3,6
Table 7.4b Notes:
1) Snorkel kit includes parts needed to offset terminal on exterior wall by up to
46”.
2) Vertical terminal can be used with either of the roof flashings listed beneath it.
3) Sloped roof flashing suitable for roof angles between 25 and 45 degrees.
4) Used at base of vertical run inside unused masonry chimney.