Weil McLain 511-210-423 Drain Valve Automatic Reset Function: Features an

Automatic Reset Function: Features an integrated auto limit switch design that re-engages the heating circuit without manual intervention after cooling

Manual Reset Functionality: Requires technician intervention after a high-limit event

Optimized Performance: Silver cadmium oxide contacts provide superior resistance to welding and pitting in high-cycle cooling environments

The P147200 is specifically designed for Gravity Direct Vent models like the 1403/2003/3003 series

coil burnout due to low voltage/brownout conditions

Weil McLain 511-210-423 Drain Valve Automatic Reset Function: Features anThe Weil McLain 511 210 423 Drain Valve is a heavy duty brass boiler drain valve engineered specifically for hydronic heating systems. Featuring a rugged 3 4" NPT connection and a 1 1 2" shank, this component ensures a secure, leak proof interface with the boiler block or distribution manifold. As an authentic Weil McLain replacement part, it is designed to meet exact OEM tolerances, providing contractors with a reliable solution for system flushing