Bard 9043-055 - Door Interlock Switch Assembly

The Bard 9043-055 Door Interlock Switch Assembly (300229) is an OEM safety switch used in Bard wall-mounted HVAC equipment to interrupt power when the service door or access panel is opened, helping prevent the unit from operating while components are exposed. Replacing a worn or damaged interlock switch can restore proper safety shutoff and help eliminate nuisance operation issues tied to a misaligned or failing door switch. Match this part number to your Bard model and wiring configuration to ensure correct fit and reliable system protection.

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