Slant/Fin VHS-180, VHS-30 Natural Draft Chimney and Type “B” Venting Tables

VICTORY II VHS Models

Natural Draft Chimney and Type “B” Venting Tables

Table 1. Masonry Vitreous Tile-Lined Chimney (not metal lined)

Chimneys not exposed to the outdoors below the roof line. (5" dia. vent adapter must be used)

	Additional				National Fuel Gas Code
Boiler	Gas Appliance				Reference Table No.*
Model(s) †	in Venting System	Connector		Requirements*	(ANSI Z223.1)
VHS-90	No	Type “B”	1. Connector diameter must be upsized to 7".
VHS-120			2.	Chimney height limits: Min. 15 ft., Max. 30 ft.
VHS-150			3.	Lateral length restriction applies (Table 10-3)	10-3 (1999 edition)
VHS-180			4.	Internal area of chimney: Min. 50 sq. in.,
				Max. 269 sq. in.
VHS-180	No	Single-wall	1. Connector diameter must be upsized to 7".
			2.	Chimney height limits: Min. 15 ft., Max. 30 ft.
			3.	Max. lateral length may not exceed 2 ft.	10-4 (1999 edition)
			4.	Internal area of chimney: Min. 50 sq. in.,
				Max. 269 sq. in.
VHS-90	Yes	Type “B”	1. See Table 10-8 for chimney height
VHS-120				and connector length restrictions.	10-8 (1999 edition)
VHS-150			2.	Connector may have to be upsized to 6" diameter
VHS-180				to meet requirement of 10-8.
VHS-150	Yes	Single-wall	1. See Table 10-9 for chimney height
VHS-180				and connector length restrictions.	10-9 (1999 edition)
			2.	Connector may have to be upsized to 6" diameter
				to meet requirement of 10-9.

Table 2. Type “B” Venting and Metal-Lined Masonry Chimney

UL LISTED MATERIALS ONLY. (5" dia. vent adapter must be used)

	Additional			National Fuel Gas Code
Boiler	Gas Appliance			Reference Table No.*
Model(s) †	in Venting System	Connector	Requirements*	(ANSI Z223.1)
VHS-90	No	Type “B”	See Table 10-1 for minimum and maximum
VHS-120			of vent height and lateral length restriction.
VHS-150				10-1 (1999 edition)
VHS-180
VHS-90	No	Single-wall	See Table 10-2 for minimum and maximum
VHS-120			of vent height and lateral length restriction.
VHS-150				10-2 (1999 edition)
VHS-180
VHS-90	Yes	Type “B”	1. See Table 10-6 for vent height and
VHS-120			connector length restrictions.
VHS-150			2. Connector and vent diameter may have to be	10-6 (1999 edition)
VHS-180			increased to 6" or 7" to meet requirement of
			Table 10-6.
VHS-120	Yes	Single-wall	1. See Table 10-7 for vent height and
VHS-150			connector length restrictions.
VHS-180			2. Connector and vent diameter may have to be	10-7 (1999 edition)
			increased to 6" to meet requirement of
			Table 10-7.

†Only Victory II boiler models shown for each application permitted to be installed in that manner specified.

• Also see Z223.1 –– 1999 Chapter 7 and 10.

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