Z-Flex Venting Accessories - 2SVSFSSF04 4" Fire Stop Support Z Flex Z Vent SS Venting - For AquaStar 125FX models
4" fire stop support Z-Flex Z-Vent stainless steel venting (2SVSFSSF04) use when venting through a floor.
The fire stop support is required when running Z-Vent stainless steel venting vertically through a floor.
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.