Z-Flex 2ZVB04 Z-V Adapt W/Back Flow Prev 4in
- Single Wall
- Diameter: 4
- Appliance Adapter
2ZVB04 Universal Appliance Adapter W/ Back Flow Preventer Universal Appliance Adapter Universal Appliance Adapter with Back Flow Preventer Z-Vent Special Gas Vent for Category Il, Il, IV Heating Equipment Is Designed for Use with Boilers, High Efficiency Furnaces, Pool Heaters, Unit Heaters and Tankless Water Heaters. Z-Vent is Manufactured Using AL29-4C, Advanced Ferritic Stainless Steel with Unmatched Corrosion Resistance, for Use with Condensing Furnaces and Boilers.
