Noritz WT4 Wall Thimble Horizontal Wall Penetration algolia-ignore Standard Wall&colon

Standard Wall&colon

Fan Rotation Detector

These kits are required when i nstalling the furnaces above their maximum rated a ltitude

Fire Module and Heat Shield

Noritz WT4 Wall Thimble Horizontal Wall Penetration algolia-ignore Standard Wall&colonNoritz WT4 Wall Thimble Horizontal Wall Penetration Water Heater Accessories Adjustable Wall Thimble w/ built‐ in hood termination. Made of high temperature rated stainless steel, the WT4 4" diameter wall thimble is easy to install and helps keep your home safe. With adjustable venting, built in termination and a superior design, the WT4 is also versatile, and can span length from 4". As part of the N‐ Vent series, this product is UL