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Snap-Action Contacts: Provides positive
Key Benefits for Technicians Precise Pressure Regulation: High-tensile internal spring restores factory-spec manifold pressure control for stable burner staging
0 microamp will typically trigger a lockout code on the integrated furnace control board
making it a reliable choice for contractors managing HVAC fluid control systems where performance under thermal stress—from -40°F to +325°F—is required
Emerson Alco 057370 Power Assy 30067439-890 Snap-Action Contacts: Provides positiveThe Emerson Alco 057370, also identified as the XB1019MW551B, is a high performance power assembly designed specifically for the T Series Take Apart thermal expansion valves (TXV). This 5' SAE Power Assy is a critical pressure sensing component that regulates refrigerant flow into the evaporator, ensuring optimal system superheat across a broad operating range of 50F to +50F. Built with a durable stainless steel power element, this assembly is
