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White-Rodgers integrated furnace control board with terminal blocks and connectors

Emerson Climate Technologies

Emerson Climate Technologies 50A65-843 Integrated Furnace Control

SKU CH-W2DB-EHVKE

Integrated furnace control operates from -40 to 175 degrees Fahrenheit with 90-second HSI ignition cycles for Amana, ICP, Trane and York systems

  • Operates from -40 °F to 175 °F
  • 5-minute lockout protects system after faults
  • 5 A main valve output drives gas valve
  • 90-second HSI ignition cycle ensures reliable start
  • Compatible with Amana, ICP, Trane and York furnaces

Integrated Furnace Control

The Emerson Climate Technologies 50A65-843 is an integrated furnace control designed for residential and light commercial heating systems. It manages ignition sequences and safety monitoring for compatible gas furnaces. Installers use it as a direct replacement board in supported equipment.

Temperature range and timing

The control operates from -40 degrees F to 175 degrees F, covering extreme outdoor and mechanical-room conditions. It provides a 30-second pre-purge, a 90-second hot-surface ignition cycle and a 15-second post-purge. After two retries the board locks out for five minutes and automatically resets after one hour.

Brand compatibility and electrical limits

The board is compatible with Amana, ICP, Trane and York furnace brands. Main valve output is rated at 1.5 A while the flame sensor signal is 0.1 uA. Systems requiring different valve current, sensor current or brand-specific logic fall outside this control's application.

Highlights

  • Operates from -40 °F to 175 °F
  • 5-minute lockout protects system after faults
  • 5 A main valve output drives gas valve
  • 90-second HSI ignition cycle ensures reliable start
  • Compatible with Amana, ICP, Trane and York furnaces

Specifications

BrandWHITE-RODGERS

Questions about this item

Will this 50A65-843 control work with my existing Amana furnace?

The control is listed as compatible with Amana, ICP, Trane and York equipment. Verify the model number on your furnace matches the cross-reference for this board before installing.

How can I confirm the board is operating correctly after installation?

The board runs a pre-purge of 30 seconds, an HSI ignition cycle of 90 seconds and a post-purge of 15 seconds. Watch for this sequence and ensure the flame sensor reads a steady microamp signal.

Does the package include a flame sensor or wiring harness?

The listing describes the integrated furnace control only. A flame sensor, igniter and any model-specific wiring harness are sold separately.

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