Eccotemp 4 in. Horizontal Stainless Steel Vent Kit with Backflow Preventer

This 4 in. single-walled Horizontal Stainless Steel Z-Vent Wall Hung Water Heater Vent Kit is supplied with all the necessary components for a quick and seamless installation. It includes the following pieces: (1) Termination Hood (1) 4 in. x 90° Elbow (1) 4 in. x 12 in. Pipe (1) 4 in. x 18 in. Pipe (1) Wall Thimble (1) 4 in. Universal Appliance Adapter with Backflow Preventer. This is Category II/III and UL approved.