Z-Flex Venting Accessories - Water Heater Accessories - 2SVSWTF04 4" Wall Thimble Z Flex Z Vent SS Venting - For AquaStar 125FX models
4" Wall Thimble Z-Flex Z-Vent Stainless Steel Venting (2SVSWTF04) for tankless water heaters. The Wall Thimble is used for horizontal exhaust venting through the outside wall.
The Wall Thimble is 10" x 10" and has an adjustable width from 4" to 7".
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.