Key Benefits Direct OEM Compatibility: Engineered as a drop-in replacement for part numbers LA21RA425B and P441-1148

Complete Sealing Solution: Includes all necessary relief valve rubber parts (piston and seat O-rings) to eliminate internal bypass leaks

If the board receives power but fails to energize the HSI after the pre-purge

Standardized Bore: Features a secure 1/2" bore with a set-screw attachment for reliable torque transfer from the motor shaft

and control valves by trapping pipe scale and debris

Emerson Alco 058123 Expansion Valve Els PW 17895 Key Benefits Direct OEM Compatibility:The Emerson Alco 058123 Expansion Valve is a high performance thermostatic expansion valve (TXV) engineered for precision refrigerant metering in medium temperature commercial refrigeration applications. Designed with a balanced port configuration, this HFESC 1 4 SC model ensures stable superheat control across a wide range of operating conditions, making it an essential component for technicians servicing systems running on R404A, R507, R448A, and