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1804-0386 OBSOLETE
- Low Pressure Switch Assembly
The Bard 1804-0386 low pressure switch assembly is an OEM safety control used in Bard wall mounted package air conditioners to monitor suction pressure and help protect the refrigeration circuit by interrupting operation if pressure drops outside the normal range. This switch is specified in Bard service literature as a low pressure switch with a flared connection, making correct fit and leak free installation dependent on matching the original tubing connection and mounting arrangement. If you are chasing nuisance lockouts, short cycling, or suspected low charge conditions, replacing a proven faulty switch with the correct Bard part can restore proper safeties, but you should always confirm the root cause of low pressure before returning the unit to service. Note that Bard references this part number as obsolete with an official boxed replacement available under a newer number, so verify what your unit and purchasing requirements call for before ordering.
Official replacement(s):
1804-0386BX
- Low Pressure Switch Assy-Boxed