used for modulating or two-position airflow control in commercial and residential HVAC systems

allowing technicians to pinpoint issues such as liquid slugging

It is a direct fit for boiler replacement parts in high-demand environments

The Field Controls 01437001

Armstrong Furnace R104519-02 Ball Valve 326070-701 used for modulating or two-positionThe Armstrong Furnace R104519 02 Ball Valve is a high performance 7 8 inch service valve engineered for precision fluid regulation in residential and commercial HVAC systems. Constructed from heavy duty brass, this genuine OEM replacement part provides superior corrosion resistance and durability for demanding heating and cooling applications. As the direct successor to legacy part numbers 77W34 and 77W3401, it ensures seamless compatibility and