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SECTION 2 CAL-IOM-2012-1220 INSTALLATION
2-23
DIAMETER "C"
STAINLESS
3 1/2 IN. OR
4.35 CM
AIR GAP
ALL AROUND
THRU PIPE
VARIABLE
(3 1/4 IN. MIN.) - (20 IN. MAX.)
(8.255 CM MIN. - 50.8 CM MAX.)
DIAMETER "B"
ADJUSTABLE
WALL THUMBLE
WIDTH TO VARY WITH
WALL THICKNESS
DIAMETER "A"
COLLAR
END VIEW
SCREW OR BOLT EACH THUMBLE COLLAR
TO WALL (TYPICAL 4 PLACES) ORIENT
COLLAR AND CLAMPS AS REQUIRED
PIPE RETAINING
CLAMP, TYPICAL
EACH SIDE
FIGURE 8 WALL THIMBLE INSTALLATION