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Bard 904-0599 - Pre-Cond Valve Assembly

The Bard 904-0599 pre-cond valve assembly is an OEM refrigerant-side component used in select Bard wall-mounted air conditioners and heat pumps to manage refrigerant flow during the system’s pre-conditioning sequence, helping the unit stabilize operation and protect critical components under varying load and ambient conditions. Replacing a worn or leaking valve assembly with the correct Bard part helps restore proper system control, reduces nuisance lockouts tied to abnormal pressures or temperatures, and supports reliable cooling performance. Because valve assemblies can vary by model series and refrigerant circuit design, confirm Bard 904-0599 against your unit model and serial number or the appropriate Bard parts list before ordering to ensure correct fit and function.


  • Technical Specifications
  • Product number: 904-0599
  • Manufacturer description: Pre-Cond. Valve Assembly
  • HTS Code: "8415.90.8085"

$326.00