This "BX" boxed version delivers the reliable performance required for demanding commercial and industrial environments

this hex nut ensures secure mechanical stability under heavy vibration and thermal cycling common in HVACR valve maintenance

the 669855R is the current manufacturer-approved update for the discontinued 669855 part number

though you should always verify the Maximum Rated Pressure (MRP) against your specific system requirements

Common Technical Questions: Is the HE-69S3-0NP0 compatible with older Metasys controllers

Sporlan 040305-05 Valve 318518-761 This "BX" boxed version deliversMaintain precise suction pressure and prevent evaporator freeze ups with the Sporlan 040305 05 A7 A Automatic Expansion Valve (AXV). This constant pressure valve is a standard for technicians servicing small capacity systems where maintaining a stable evaporating pressure is critical. Featuring 3 8" ODF solder connections, this valve is built with a durable brass body, stainless steel internal springs, and a 100 mesh inlet strainer to protect the