Durable Construction: Built with high-grade copper and brass to resist corrosion and handle high-pressure R-410A environments

ensuring gas flow only occurs during active draft

the LP pilot assembly

As a direct-fit HSI

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

Armstrong Furnace R104519-02 Ball Valve 326070-701 Durable Construction: Built with high-gradeThe 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