Burnham FCM120 TABLE 4.2: CLEARANCES FROM VENT PIPING TO COMBUSTIBLE CONSTRUCTION

TABLE 4.2: CLEARANCES FROM VENT PIPING TO COMBUSTIBLE CONSTRUCTION

TYPE OF VENT PIPE	PIPE DIRECTION	ENCLOSURE	MINIMUM CLEARANCE
			TO COMBUSTIBLE
			MATERIAL
60/100mm	VERTICAL OR	ENCLOSED ON ALL FOUR
CONCENTRIC VENT-			0”
	HORIZONTAL	SIDES
ING
HEAT FAB SAF-T VENT		AT LEAST ONE SIDE OPEN,
PROTECH FASNSEAL	VERTICAL OR		1”
		COMBUSTIBLE MATERIAL ON
Z-FLEX Z-VENT III	HORIZONTAL
		A MAXIMUM OF THREE SIDES
FLEX-L STAR-34
HEAT FAB SAF-T VENT
PROTECH FASNSEAL	HORIZONTAL OR VERTI-	ENCLOSED ON ALL FOUR	2-1/2”
Z-FLEX Z-VENT III	CAL WITH OFFSETS	SIDES
FLEX-L STAR-34
HEAT FAB SAF-T VENT
PROTECH FASNSEAL	VERTICAL WITH NO OFF-	ENCLOSED ON ALL FOUR	2-1/2”
Z-FLEX Z-VENT III	SETS	SIDES
FLEX-L STAR-34

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