This SPDT (Single Pole Double Throw) relay features a unique dual-coil input design

This specific model is charged for R502 medium temperature applications

The internal breathing diaphragm is a critical technical feature that eliminates air bubbles for steady

and high-capacity boilers

Installing this exact-fit Lennox pilot burner with electrode maintains the operational integrity and safety standards specified for the original heating unit

Weil McLain 511-330-104 Pilot Assembly 30067439-890 This SPDT (Single Pole DoubleThe Weil McLain 511 330 104 Pilot Assembly is a critical OEM component designed for precise ignition within Weil McLain CGi boilers and CGs gas boilers. This pilot burner assembly, often cross referenced as J992 LYW 7125, provides a consistent and stable flame required for the main burner ignition sequence. Engineering grade construction ensures the assembly withstands high thermal stress, preventing premature degradation of the pilot orifice and