B. Clearances to Combustibles (UL and ULC)
A B C D E F G H
INSTALLATION: Full Vertical
SINGLE WALL PIPE 12.5 (318) 10.5 (267) 25.5 (648) 15 (381) 2 (51) 12 (305) 45 (1143) N/A
DOUBLE WALL PIPE 9.5 (241) 7.5 (191) 25.5 (648) 15 (381) 2 (51) 12 (305) 45 (1143) N/A
INSTALLATION: Horizontal with 2 foot minimum vertical Off Stove Top
SINGLE WALL PIPE 9.5 (241) 7.5 (191) 25.5 (648) 15 (381) * * 45 (1143) 18*(457)
DOUBLE WALL PIPE 9.5 (241) 7.5 (191) 25.5 (648) 15 (381) * * 45 (1143) 13 (330)
INSTALLATION: 90
o
ELBOW OFF TOP OF STOVE THROUGH BACKWALL
SINGLE WALL PIPE 9.5 (241) 7.5 (191) 25.5 (648) 15 (381) 2 (51) 12 (305) 45 (1143) 18*
DOUBLE WALL PIPE 9.5 (241) 7.5 (191) 25.5 (648) 15 (381) 2 (51) 12 (305) 45 (1143) 13 (330)
INSTALLATION: ALCOVE
Six inch (6") (152mm) diameter listed Double Wall air insulated connector
pipe with UL103 HT** Listed factory-built Class "A" chimney, or a masonry chimney. (Mobile Home
must be equipped with a spark arrestor). Maximum depth of Alcove shall be no more than 48 inches
(1219mm) with a minimum height of 79.25 (2013mm) from floor to bottom of ceiling and the
referenced clearances.
**In Canada must comply with Standard CAN/ULC-S629-M87 for the 650
o
C Factory-built chimney.
DOUBLE WALL PIPE 10.5 (268) 8.5 (216) 25.5 (648) 15 (381) N/A N/A 45 (1143)
*
* SEE PIPE MANUFACTURERS CLEARANCES - NOT TESTED
