Installation is optimized for field efficiency through the included 25 foot modular cord (PIW25)

allowing for precise capacity matching to the load requirements

Ensure your system meets this threshold to facilitate the opening of the main orifice

Enhanced Safety: Prevents carbon monoxide risks by maintaining a reliable combustion airflow

loosen the fastening screw on the ZDB-TF

Nordyne 663950R Fitting 326058-755 Installation is optimized for fieldThe Nordyne 663950R Gas Valve Fitting is a critical HVAC replacement part engineered for high pressure gas line connections in residential and commercial heating systems. Designed for precision, this Nordyne OEM fitting ensures a leak free transition between gas valves and burner orifices, maintaining consistent fuel flow for optimal combustion. As a seasoned technician knows, the integrity of a gas valve adapter is non negotiable for system safety