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White-Rodgers 50A55-743 Replacement Integrated Furnace Control, 25 VAC, 0.45 A

Part #175640

MFG #50A55-743

175640_White_Rodgers_50A55-743.jpg

White-Rodgers 50A55-743 Replacement Integrated Furnace Control, 25 VAC, 0.45 A

Part #175640

MFG #50A55-743

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White-Rodgers 50A55-743 Replacement Integrated Furnace Control, 25 VAC, 0.45 A

Part #175640

MFG #50A55-743

Item Features
  • Twinning connection.
  • Fused to protect low voltage system transformers.
  • 120 VAC ignitor output.
  • 120 VAC humidifier output.
  • 120 VAC electronic air cleaner output.
  • 120 VAC 2-speed PSC circulator output.
  • 5 A fuse protection.
  • Furnace status LED.
  • Heat fan off delay (dipswitch selectable).
  • -40 to 176 deg F.
  • 5 to 93 percent relative humidity.
  • 1.5 A valve relay.
  • 6 A ignitor relay.
  • 2.2 FLA to 3.5 LRA inducer relay.
  • 14.5 FLA to 25 LRA circulator relay.
  • 1 uA DC min current.
  • 0.10 uA DC max current.
  • 100 M ohm leakage resistance.
  • Maximum timing specification.
  • 0.8 sec flame establishing.