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3" Adjustable Steep Roof Flashing 7/12-12/12 Z-Flex Z-Vent Stainless Steel Venting (2SVSADJSF03) for the Bosch AquaStar 2700ES / Bosch AquaStar 2400ES / Bosch AquaStar 2400E / Bosch AquaStar 250SX / Bosch 635ES tankless water heater. Use 3" Adjustable Roof Flashing 0/12-6/12 (2SVSADJF03) for roofs with a pitch less than 6/12.
A 3" Top Support / Storm Collar (2SVSLSF03) is also needed to make a weather seal with the steep roof flashing.
The Bosch AquaStar 2700ES / Bosch AquaStar 2400ES / Bosch AquaStar 2400E requires 3" stainless steel venting for Category III Gas Appliances. Our Z-Flex Z-Vent venting meets these requirements and is rated AL29-4C.
Z-Flex Z-Vent is approved for Category I (vertical only), II, III & IV applications and is designed for use with boilers, high efficiency gas and oil heaters and water heaters where cool flue gases are vented under pressure. Z-Vent contains a built-in, fail-safe gasket and locking band connection. No sealant is required.
Manuals
Z-Flex Z-Vent Installation and Maintenance Instructions>>
Z-Flex Z-Vent Technical and Dimensional Data>>
This product is intended for use with the following products:
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