Armstrong Furnace R104519-02 Ball Valve 328140-751 Its 50/60 Hz frequency rating

Its 50/60 Hz frequency rating and non-PCB metalized polypropylene construction make it a standard professional choice for American Standard and Trane HVAC systems

It is designed to match the mounting bracketry and shaft diameter of older units to ensure a direct mechanical swap

ensuring protection against light condensation and falling debris in mechanical rooms and plenum spaces

Common Questions What are the symptoms of a bad Reznor pressure switch

Precise Pressure Sensing: Specifically factory-calibrated to 0

Armstrong Furnace R104519-02 Ball Valve 328140-751 Its 50/60 Hz frequency ratingThe 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