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• 5651-043 OBSOLETE

• NAT VALVE SX345NS 207141

Bard part number 5651-043 is an OEM natural gas valve assembly (SX345NS, ref. 207141) used on Bard wall-mounted gas/electric HVAC units to precisely open, regulate, and shut off gas flow during the ignition and heating cycle. This low-voltage control valve is a safety-critical component that helps ensure proper burner operation and stable combustion, so using the correct Bard replacement is important for reliable heat performance and proper sequence of operation. Confirm compatibility by matching the unit model and serial number, gas type (natural gas), and valve identifiers before ordering, and have installation and leak testing performed by a qualified technician.