3" Single walled Vertical Stainless Steel Vent Kit with 2.5" to 3" Paloma Adapter for i12 and FVi12 Series Tankless Water Heaters. You may need to purchase additional Eccotemp straight pipe.

Includes:

• (1) 3" Adjustable Roof Flashing
• (1) 3" Universal Adapter
• (1) 3" Rain Cap
• (1) 3" x 6" Back Flow Protection
• (1) 3" Top Support/Storm Collar
  
• (1) 3" Vertical Drain Pipe
• (1) 2.5" to 3" Paloma Adapter

Eccotemp's special gas vent kits are all made of AL-294C stainless steel and are Category II/III and UL compliant.