Noritz Noritz Concentric Wall Thimble Builder's Edition for Horizontal Termination

Made of high temperature rated double wall stainless steel, the CWT-H wall thimble is easy to install and helps keep your home safe. Utilize this wall thimble with the state of the art DVC tankless water heaters to help complete your concentric venting system. As part of the N-Vent series, this product is UL approved category III venting, and is an integral part of the quick-snap connection system, known for easy installation and forming tight seals. Wall Thimble: Keep your installation up to code, and y...