Its corrosion-resistant material properties make it compatible with various fluid types

7" WC but the SPNO contacts fail to close

it requires technician intervention to investigate the root cause of the trip—often draft issues

and boiler brands

it provides the necessary phase shift to optimize motor torque and operational efficiency

Weil McLain 512-200-077 Main Burner Its corrosion-resistant material properties makeThe Weil McLain 512 200 077 Main Burner is a critical combustion component engineered for high performance gas delivery and flame stability in hydronic heating systems. As a veteran grade Weil McLain burner replacement, this tubular stainless steel unit is designed specifically for boiler maintenance in AHE, CG, and CGa series models. Its high grade stainless steel burner tube construction resists the corrosive effects of localized high temperature