The EXC1378 is the primary heat exchanger assembly

This valve utilizes high-performance Teflon stem packing and an EPDM glass seal to maintain a leak-free interface under thermal cycling

While cleaning with a non-abrasive material like steel wool can temporarily restore flame rectification

the SEN0296 (also identified as SEN00296) ensures seamless integration with building automation systems and standalone controllers

Optimized Airflow: Rated for systems up to 1600 CFM

Resideo VCZAM1100 Valve 322838-754 The EXC1378 is the primaryThe Resideo VCZAM1100 Valve is a professional grade 3 4 inch sweat zone valve designed for demanding hydronic applications, including fan coil units, baseboard radiators, and convectors. Engineered with a bronze body and a stainless steel stem, this 2 way cartridge cage valve provides a high 4. 6 Cv capacity and a linear flow characteristic for precise temperature control. It is rated for 60 psi close off pressure, ensuring reliable performance in