Weil McLain 511-330-197 Burner Assembly 30067439-890 the thermal limit has failed

the thermal limit has failed and the switch must be replaced

a healthy operator head coil typically reads between 1

Direct Replacement: Matches original equipment performance curves to maintain the UL/CSA certification of the overall unit

Universal Compatibility: Compatible with most non-corrosive refrigerants

Designed for a 1/4" barb connection

Weil McLain 511-330-197 Burner Assembly 30067439-890 the thermal limit has failedThe Weil McLain 511 330 197 is a mission critical standing pilot burner assembly designed for high performance gas fired boilers. As a thermally supervised safety pilot, this unit provides the constant burning flame necessary for reliable ignition in Weil McLain CG boilers and EG boilers (specifically sizes 30 through 75). Engineered for precision and durability, the 511 330 197 pilot assembly includes the pilot burner, a high response thermocouple,