Lennox 16W72 Twinning Kit 318423-701 Featuring a balanced valve design

Featuring a balanced valve design

The 96-031 is designed for 5-inch venting systems

While GREE manufactures equipment for several private labels

Does the motor require external lubrication

For contractors maintaining oil-fired systems

Lennox 16W72 Twinning Kit 318423-701 Featuring a balanced valve designThe Lennox 16W72 Twinning Kit (ATWIN580) is an essential field installed accessory designed to synchronize the operation of two gas fired furnaces within a shared duct system. Engineered for constant torque blower motors, this OEM Lennox furnace part ensures that both units respond simultaneously to a single thermostat call, maintaining balanced static pressure and airflow. This kit is a requirement for twinning Lennox furnaces to prevent air bypass