Lennox 74N47 HSI Ignitor 30067439-890 this is the official replacement

this is the official replacement limit switch for several generations of the Defender series

Optimal Drainage: Engineered with internal pitching to facilitate moisture removal and prevent standing water

This OEM PTC starter functions by utilizing a positive temperature coefficient thermistor to manage the starting torque and initial current flow to the motor windings

the 117U5043 is specifically calibrated for SC model compressors

Fabricated from heavy-duty materials

Lennox 74N47 HSI Ignitor 30067439-890 this is the official replacementThe Lennox 74N47 HSI Ignitor is a high performance, OEM grade hot surface ignitor specifically engineered for precision ignition in Lennox gas furnaces and condensing water boilers, including GWB9 series models. As a veteran technician knows, maintaining reliable combustion starts with a fast acting 120V element. This silicon carbide ignitor provides the necessary thermal mass to reach ignition temperatures rapidly, ensuring the gas valve opens to a