Additional Z-Vent pieces in our "On-Line order page" fit our kits.Remember when ordering additional pieces that there is a loss of about 2 inches when joining pieces together.
Horizontal Starter Vent kit is available in 3 & 4 inch diameter for Bosch, Takagi, Paloma, Rheem and Noritz. A Horizontal kit is available with an Appliance Adapter with or without Backflow prevention for a Takagi Tankless installed in colder climates.
Vertical Starter Vent Kits available for Tankless Water heaters, AL294c single wall stainless steel and UL 1738 approved. Remember, the code is 3 feet of pipe above the roof so additional pipe may be needed. A Condensate drain is suggested for vertical venting.