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

5-150F AUTO Limit Switch is the direct performance update for legacy part numbers 8402-069 and S8402-069

The Amana-Goodman 20197313 Pressure Switch is the direct OEM replacement for the legacy 20197306 model

technicians should also inspect for a restricted flue

Whether used for field replacement or OEM applications in systems up to 20 tons

York S1-025-42696-000 Pressure Control Els PW 17895 The Weil-McLain 512-200-077 Main BurnerThe York S1 025 42696 000 Pressure Control is a critical OEM safety component engineered for precise refrigerant monitoring in commercial and residential HVAC systems. Designed with a 300 480 PSI open close configuration, this high pressure cutout ensures the compressor is protected from excessive head pressure which can lead to catastrophic mechanical failure. This HVAC pressure switch is a direct factory replacement, maintaining the original