Instructions / Assembly

SPECIAL GAS VENT FOR

CATEGORY II, III, IV HEATING EQUIPMENT

Z-Flex

Z-Vent

designed for use with

boilers, high efficiency

furnaces, pool heaters,

unit heaters and tankless

water heaters.

Available in

sizes 3” to 24”

single and double wall

CUT TO

LENGTH

IN THE

FIELD

GAS-TIGHT

DOUBLE

LIP SEAL

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Z-Flex SPECIAL GAS VENT FOR CATEGORY II, III, IV HEATING EQUIPMENT A siz vail gle es abl an 3” t e in dd o2 ou 4” ble wa sin ll Z-Vent designed for use with boilers, high efficiency furnaces, pool heaters, unit heaters and tankless water heaters.
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Z-Vent is manufactured using Typical Installations Vertical Detail AL29-4® advanced ferritic stainless steel** with unmatched corrosion resistance for use with condensing furnaces and boilers. Z-Vent was developed in the early 1980’s and has thousands of field installations to date. Z-Vent is now manufactured utilizing a fail-safe gasket connection. No sealant required. The lengths of pipe may be cut on non-expanded end using aviation snips or a hacksaw (24tpi).