Lennox 74W03 Ignition Control 321894-706 between the evaporator and the

between the evaporator and the compressor

How do I confirm if the THT0633 is the correct limit switch for my unit

maintaining steady suction and discharge pressures across a wide operating envelope

Can this actuator be used in multi-unit setups

Operating at 460V / 60Hz with a 1/6 HP output

Lennox 74W03 Ignition Control 321894-706 between the evaporator and theThe Lennox 74W03 Ignition Control is a critical OEM replacement component engineered for single stage Elite series gas furnaces. This direct spark ignition module (also compatible with specific hot surface ignition setups depending on the revision) serves as the primary controller for combustion sequences, managing the gas valve, inducer motor, and flame rectification process. Operating on a standard 24VAC control circuit, the 103098 01 board features