Service intervals depend on run-time and environment

technicians should verify this switch's continuity

Broad Compatibility: Replaces legacy K15DS-18 and K15DA-18H series commonly found in HVAC and industrial gas appliances

Cabinet Internal Mounting: Engineered to withstand the specific airflow pressures and heat profiles found within 4505 and 6505 series cabinets

Amana-Goodman B1256558 Sequencer Service intervals depend on run-timeThe Amana Goodman B1256558 Sequencer is a critical replacement component designed for precise electric furnace control and heat pump auxiliary strip management. Engineered as a two stack heat sequencer, this part features a 24V heater coil that initiates specific timings for staged heating elements. This staged activation prevents nuisance tripping of the main circuit breaker by managing the inrush current during the initial startup phase. The