Noritz Noritz 4" Stainless Steel Wall Thimble

Made of high temperature rated stainless steel, the W4 4 " diameter wall thimble is easy to install and helps keep your home safe. With adjustable venting, and a superior design, the WT4 is an important component of the N-Vent ventilation 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 your home safe ...