Lennox 30W34 Ignition Module 30067439-890 minimizing the risk of insulation

minimizing the risk of insulation breakdown or mid-season electrical failure

or failure to open due to worn elastomers or a bent plunger tube

preventing total coil failure during overcurrent events

Key Benefits for Technicians Automatic Pressure Relief: Responds instantly to changes in static pressure without the need for electronic sensors or actuators

Installing a genuine Reznor temperature safety switch prevents frequent short-cycling and blower fan malfunctions caused by drifting calibration in aftermarket alternatives

Lennox 30W34 Ignition Module 30067439-890 minimizing the risk of insulationThe Lennox 30W34 Ignition Module, also identified by part number S8670K3000, is a high performance intermittent pilot control designed for gas fired furnace applications. This individual component is critical for flame sensing and sequencing, ensuring that the pilot light is reliably established before the main gas valve is energized. As a direct OEM replacement for the Lennox 30W3401, this module offers seamless backwards compatibility for