The Weil McLain 512-200-000 is an OEM regular stainless tube burner engineered for high-performance combustion in Weil McLain EG and EGH series boilers

The 12S08 model features a built-in 45-amp circuit breaker

replacing legacy part numbers including 9004353105 and 180193-4

effectively resolving HVAC troubleshooting issues such as intermittent system lockouts or failed communication with the indoor air handler

Resideo D146M1040 Pressure Regulator 340155-7026 The Weil McLain 512-200-000 isFor veteran hydronic contractors managing variable load systems, the Resideo D146M1040 Pressure Regulator is a critical component for eliminating excessive pump head pressure. This 1 1 4" differential pressure regulator is specifically engineered to stabilize the pressure differential between supply and return lines, effectively preventing velocity noise and pump cavitation when zone valves or radiator valves close during low demand cycles. Built with