Z-Flex Venting Accessories - 2SVEPWCF0404 4" Diameter x 4' Z Flex Stainless Steel Venting - For AquaStar 125FX models
4" diameter x 4 foot long Z-Flex Z-Vent stainless steel single wall vent piping (2SVEPWCF0404) for gas burning category III appliances.
Vertical supports are required after any 10 foot run. The 4" Vent Support (2SVSWS04) may also be used to support long horizontal runs, which require support every 6 feet.
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.