Z-Flex Venting Accessories - 2SVSADJSF04 4" Steep Roof Flashing 7/12-12/12 - For AquaStar 125FX models
4" Adjustable Steep Roof Flashing 7/12-12/12 Z-Flex Z-Vent Stainless Steel Venting (2SVSADJSF04) for tankless water heaters. Use 4" Adjustable Roof Flashing 0/12-6/12 (2SVSADJF04) for roofs with a pitch less than 6/12.
A 4" Top Support / Storm Collar (2SVSLSF04) is also needed to make a weather seal with the steep roof flashing.
4" stainless steel venting for Category III Gas Appliances is the perfect venting option for the Bosch Aquastar 240FX, Aquastar 125FX, Takagi TK1, TK2, TKD20, TKJR, TK1S, TM1 Tankless Water Heaters. Our Z-Flex Z-Vent venting 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.