4” Concentric Vent Kit w/ 3” intake air Adjusts from 12” to 18”
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) 4" universal appliance adapter with built in back-flow preventer and condensation drain (1) condensate drain tube-kit (1) 3" x 3' length of combustion air duct with clamps.
