Made of high temperature rated stainless steel, the WT4H81 4 inch diameter wall thimble is easy to install and helps keep your home safe. With adjustable venting, built in termination and a superior design, the WT4H81 is also versatile, and can span length from 4.1 Inch7.8 Inch. As part of the NVent series, this product is UL approved category III venting, and is an integral part of the quicksnap connection system, known for easy installation and forming tight seals. Wall Thimble Keep your installation up to code, and your home safe with a stainless steel wall thimble that spans the width of your wall and keeps a safe clearance between the vent pipe and building materials. As part of the Noritz NVent series, this piece easy to install and known for its tight seals, as well as approved for tankless and boiler stainless steel exhaust installations, enabling you to know you've made the right choice in both form and function. Features High temperature rated stainless steel Easy to install Quicksnap connection Unique gasket enables tight seal Introducing the latest advancements in tankless water heater technology for your home, Noritz tankless hot water heaters are both ecofriendly and energy efficient, providing savings up to 40% in utility costs. Their gas water heaters warm water on demand, which means you'll always have hot water and it will never run out.
Efficient tankless water heaters
Reliable , compact and built for performance
Innovator in the water heating industry for over 60 years