Weil McLain 511-210-423 Drain Valve Contractor-Ready Install: Features a standard

Contractor-Ready Install: Features a standard 1/4-inch spade connector and factory-aligned bracket for fast local furnace repair

Simplified Maintenance: Features threaded removal holes in the flange

Honeywell 310664 Tension Spring

this component ensures the exact volumetric flow of gas required for clean combustion and optimal thermal output

The interior features a reliable neoprene O-ring seal

Weil McLain 511-210-423 Drain Valve Contractor-Ready Install: Features a standardThe 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