Lennox 16W72 Twinning Kit 320735-701 the thermocouple generates the millivoltage

the thermocouple generates the millivoltage necessary to hold the gas valve open

Designed specifically for standing pilot systems

making it an ideal choice for HVACR professionals seeking a high-performance HVAC igniter replacement

This HVAC heater assembly is built to withstand high-cycle environments

Does this kit include a squeeze-bulb pump

Lennox 16W72 Twinning Kit 320735-701 the thermocouple generates the millivoltageThe 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