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this switch is the official replacement for the 5H73057-4 and is the standard component for PD150-PD350 and BD150-BD350 units
the white wire serves as the common for all primary voltages
Always use the original 1008445 OEM part to ensure the safety circuit matches the original design
Its precision-wound construction maintains consistent tension over prolonged operational cycles
Common Contractor Questions:
Emerson Alco 037043 Cage Assembly this switch is the officialThe Emerson Alco 037043 (X22440 B5B) Cage Assembly is a vital internal component designed specifically for TCL and TCLE series thermostatic expansion valves. As a field replaceable TXV orifice cage, it allows for precise capacity adjustment and maintenance without necessitating the removal of the entire valve body from the refrigerant line. This specific cage size, designated as B5B, provides versatile nominal capacity ratings depending on the system