This model serves as a direct cross-reference for the Weil-McLain 511-546-950 and is frequently utilized in high-output hydronic installations where ASME Section IV compliance is mandatory
72-Hour Power Backup: The quartz drive with carryover prevents schedule loss during local power failures
preventing heat exchanger damage and potential safety hazards
this assembly ensures consistent pilot flame rectification to the flame sensor
maintaining consistent comfort
Lennox 70W16 Hot Surface Ignitor 319852-301 This model serves as aThe Lennox 70W16 Hot Surface Ignitor is a high performance silicon carbide igniter designed for precise ignition in Lennox G40, G43, G50, G51, and G61 gas furnaces. Maintaining strict compatibility with Lennox OEM specifications, this component serves as a direct factory replacement for part numbers 70W1601, 70W16, and 100511 01. As a critical failure point in modern heating systems, the 70W16 ignitor utilizes a robust ceramic base and high