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

This model features a 1/2 inch NPT conduit connection with 18-inch flying leads

OEM Compatibility: Guaranteed fit for Lennox systems requiring part numbers 26G10 or 26G1001 without needing lead splicing or custom brackets

With a 400 psi body pressure rating and 200 psi close-off pressure

This shaft fits various Carrier and Bryant commercial rooftop units

York S1-373-39504-014 Conversion Kit R-407A The Emerson Alco 058123 ExpansionFor contractors upgrading legacy HVAC equipment, the York S1 373 39504 014 stands as a critical Gen2 compressor conversion kit designed to bridge the gap between discontinued reciprocating models and modern high efficiency replacements. This OEM York conversion kit eliminates the need for expensive system wide overhauls by providing a precise compressor replacement parts interface that maintains the structural integrity of the existing refrigeration