Lennox 11W00 Piston Assembly 320819-301 As an essential ASCO valve

As an essential ASCO valve part

This 24 volt contactor features standard quick-connect terminals and a universal mounting base

it is UL listed and suitable for many NEMA applications

Vibration Dampening: High-strength construction reduces mechanical resonance and operational noise

Key Benefits for Technicians: Precise Differential Tuning: The 1 to 30

Lennox 11W00 Piston Assembly 320819-301 As an essential ASCO valveThe Lennox 11W00 Piston Assembly is a precision engineered . 067 fixed orifice metering device designed for consistent refrigerant flow control in Lennox and Allied Air residential cooling systems. Engineered for high pressure durability, this HVAC expansion piston ensures optimal evaporator coil performance by maintaining the necessary pressure drop between the liquid line and the coil. Whether you are performing a dry charge unit installation or