Best Tankless Water Heaters Top of the Line Brands, Amazing Prices

3 Vertical Condensation Drainpipe Z-Flex Z-Vent Stainless Steel Venting (model: 2SVEVDP03) for tankless water heaters. Use this part inline vertically to capture excessive condensation or rain that could get blown into the Rain cap under heavy wind conditions. 3 stainless steel venting for Category III Gas Appliances is the perfect venting option for the Rheem RTG42, Rheem RTG53, and Bosch 2400E tankless water heaters. Our Z-Flex Z-Vent venting is rated AL29-4C. Z-Flex Z-Vent 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 for the Rheem RTG42 and RTG53 model heaters.