As a line pressure regulator

economizer logic

making it fully compatible with both cooling-only and heat pump cycles

you must ensure the terminal configuration and amp ratings meet or exceed the original manufacturer's requirements for your specific circuit

This model is optimized for modern 4-20mA proportional and 0-10Vdc signals

Lennox 44L58 Electrode 30067439-890 As a line pressure regulatorThe Lennox 44L58 Lead Electrode is a critical OEM replacement component designed for high performance ignition sequences in residential and commercial HVAC systems. Engineering for industrial grade electrical conductivity, this electrode facilitates a precise spark gap for reliable burner light offs, even in high static environments. As a genuine Lennox replacement part, it ensures seamless physical fit and electrical compatibility with the original