This document provides essential information for the installation, start-up, and maintenance of NTI TRX series residential condensing gas boilers, including models TRX150, TRX199, and TRX199C.
Designed for efficient hydronic heating, the NTI TRX boilers feature advanced condensing technology and a modulating combustion system. This manual is intended for use by qualified installers and service technicians, detailing critical safety warnings, installation procedures, operational guidelines, and maintenance schedules.
Key sections cover general safety information, preparation for installation, water piping, venting, electrical connections, gas connections, control system operation, start-up procedures, troubleshooting, and maintenance.