Weil McLain 510-312-209 Temperature Control 30067439-890 restoring the spring return force

restoring the spring return force needed for fail-safe operation

This intermittent ignition valve facilitates precise fuel regulation to the burner assembly

How do I set the program

Precision Accuracy: Ensures stable differential pressure sensing to prevent nuisance tripping while maintaining strict safety standards

Weil McLain 510-312-209 Temperature Control 30067439-890 restoring the spring return forceThe Weil McLain 510 312 209 is a field proven High Limit Temperature Control engineered for critical hydronic safety in residential and commercial boiler systems. Designed specifically for the Weil McLain EG, EGH, LGB, MGB, and SGO boiler series, this SPST aquastat provides reliable over temperature protection. It operates on an automatic recycle logic, ensuring that the system restarts without manual intervention once water temperatures return to