The 3" or 4" Z-Flex Vertical vent kit is for vertical installations of indoor water heaters using 3" fittings, such as the Eccotemp 40HI, or 4" for some Paloma and Rheem models. It will also work with many boilers.  You will need to purchase additional Z-Vent straight pipe. You will need to determine how many additional feet as well as condensation drains and backflow preventers.  Please click here for more information on the parts, pieces and requirements that you will need.

Includes:

• 1 x 3" Rain cap
• 1 x 3" Top support/Storm collar
• 1 x 3" Adjustable roof flashing (specify either normal or steep flashing)
• 1 x 3" Eccotemp adaptor
• 1 x 3" Back flow preventor 

Z-Vent special gas vent kits are all made of AL-294C stainless steel and are category II/III and IV compliant.