4″ Z-Vent Concentric TWH Kit w/ Mixing Box

Description

Note: Image is not exact representation of product.

In most applications, kit contains the components needed all in one box to vent a 4″ tankless water heater with 3″ air intake port. Designed for horizontally vented heaters mounted to an outside wall. Condensation drain and Back-flow preventer included for cold climates.

Kit includes:
(1) 4″ concentric through the wall termination hood with 3″ air intake
(1) 4″ x 1′ pipe
(1) 4″ x 90 degree elbow
(1) condensate drain tube-kit
(1) 3″ x 3′ length of combustion air duct with clamps.