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The 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
this valve body is designed for high-performance heating and cooling applications utilizing hot water
What is the purpose of the auxiliary contact on this unit
Blower Bearing1" W/Grease Cup
Carrier 00PPG000484200A EXV Assembly R-410A The Weil-McLain 512-200-077 Main BurnerThe Carrier 00PPG000484200A EXV Assembly is a high performance electronic expansion valve designed for precise refrigerant metering in heavy duty HVAC and chiller systems. As a critical component for maintaining target superheat, this direct replacement for EF05BD271 ensures your equipment operates at peak thermal efficiency. Engineered for versatility, it supports multiple refrigerants, including R 410A, R 407C, R 22, R 134a, and R 404A, making it a