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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
Precise Fitment: Features an A-style mounting base and specific lead length for exact replacement in tight burner compartments
7" WC setpoint
While the natural gas orifice is pre-installed at the factory
Its precision-wound construction maintains consistent tension over prolonged operational cycles
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
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