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Bard 904-0551 - Precondition Valve Assembly

Bard 904-0551 is an OEM precondition valve assembly used in select Bard wall-mounted HVAC systems to manage refrigerant flow during the unit’s preconditioning mode, helping the equipment transition smoothly and protect overall system operation. Replacing a worn or sticking valve assembly can address symptoms such as inconsistent preconditioning performance, improper temperature pull-down, or abnormal refrigerant control behavior. Because fit and application can vary by model and vintage, match Bard 904-0551 to your unit model and serial number or confirm in the Bard parts list before ordering to ensure correct compatibility.


  • Technical Specifications
  • Product number: 904-0551
  • Manufacturer description: Precond. Valve Assembly
  • HTS Code: "8415.90.8085"

$350.00