Lennox 11W00 Piston Assembly 320819-301 The unit weighs approximately 4

The unit weighs approximately 4 lbs and features a standard capillary length and sensing bulb assembly tailored for industrial head pressure control

it is UL listed and suitable for many NEMA applications

while the built-in keypad lockout prevents unauthorized setpoint tampering in high-traffic environments

Multispeed Versatility: The 4-speed design allows for precise airflow adjustment to meet specific heating or cooling demands

Lennox 11W00 Piston Assembly 320819-301 The unit weighs approximately 4The 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