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9021-087 OBSOLETE
- IGNITION TRANSFORMER (2-442)
Bard part 9021-087 is an OEM ignition transformer used in Bard wall-mounted gas/electric HVAC equipment to step up control voltage and deliver the high-voltage spark needed for reliable burner ignition. When a transformer is weak or failed, common symptoms include intermittent ignition, no spark at the ignitor, or nuisance lockouts even though the rest of the ignition sequence looks normal. Replacing with the correct Bard OEM ignition transformer helps restore consistent ignition performance and maintains proper electrical compatibility with the factory ignition components and wiring harness. As with any ignition repair, confirm your exact unit model and serial, verify primary voltage and wiring connections, and replace any damaged ignition lead or connector at the same time to prevent repeat issues.
Official replacement(s):
9022-022
- Transformer W/Gasket AFG 5878U