Key Benefits for the Contractor Flexible Output: Operates as a 2-speed unit

it supports 120/240V field selectable line voltage for the ignitor while maintaining a standard 24VAC control circuit

The safety circuit is separate from the operational circuit

and display cases requiring precise thermal management

This 6-tube burner assembly is engineered to deliver a stable

Lennox 38M67 Limit Switch 322055-301 Key Benefits for the ContractorThe Lennox 38M67 Limit Switch is a critical safety component designed for precise thermal regulation within Lennox residential furnaces and HVAC systems. This L190 30F furnace limit switch operates as a primary safety control, featuring a fixed temperature setting of 190F for the high limit cutout and a 30F differential for the automatic reset. Built to handle 24V or 120V ignition systems, this SPST (Single Pole Single Throw) configuration ensures the