White-Rodgers 50M61-495-05 Furnace Control Board

White-Rodgers 50M61-495-05 Furnace Control Board | D341418P01 | Trane American Standard | Tested Condition: Used – Tested & Fully Functional Availability: Ready for Pickup / Fast Response Key Specifications Brand: White-Rodgers OEM Applications: Trane American Standard Series: Intell-Ignition™ Part Number: 50M61-495-05 OEM Number: D341418P01 Board Number: 4436 REV. D Additional Identification: 150-0793 156-7425 156-5445 REL.A Application: Residential gas furnaces with multi-speed PSC blower motors. Ignition Standard: ANSI Z21.20 Automatic Ignition System Thermostat Terminal Connections 9-Screw Low Voltage Terminal Strip Terminal Function BK/TWIN Twinning / PWM Blower W2 Second Stage Heat W1 First Stage Heat R 24V Power G Indoor Fan B/C 24V Common Y First Stage Cooling Y LO Low Stage Cooling O Heat Pump Reversing Valve 120V Line Voltage Connections Neutral Terminal Group LINE (E6) XFMR (E5) EAC (E9) CIRC (E7) HUM (E8) Hot Terminal Group XFMR (E13) LINE (E12) CIRC (E14) HOT PARK (E10) COOL (E16) EAC (E17) HI HEAT LO HEAT Supports dedicated blower speed outputs and accessory power for residential furnace applications. Harness Connectors 5-Pin Vertical White Connector 12-Pin (3×4) Molex Connector Major Components Microcontroller Motorola XC68HC805P18 8-bit embedded controller Controls ignition, blower timing, safety monitoring, and diagnostics Crystal Oscillator 4.000 MHz Provides precise timing for the control processor Power Relays Aromat JTN1as-PA-F-DC24V Coil: 24VDC Contacts: 30A @ 277VAC 10A @ 277VAC ZETTLER AZ942H-1C-18DT(206) Coil: 18VDC Contacts: 12A @ 125VAC 7A @ 277VAC ZETTLER AZ942H-1C-24DT(205) Coil: 24VDC Contacts: 12A @ 125VAC 7A @ 277VAC Auxiliary Relay Large enclosed relay (markings partially obscured) Used for high-current output switching Fuse 5-Amp Automotive Blade Fuse (Tan/Orange) Provides overcurrent protection for the control board. Compatibility Direct replacement for: White-Rodgers 50M61-495-05 Trane D341418P01 Commonly installed in: Trane gas furnaces American Standard gas furnaces Compatible with systems featuring: Single-stage and two-stage heating Multi-speed PSC blower motors Humidifier output (HUM) Electronic Air Cleaner output (EAC) Furnace twinning (BK/TWIN) Heat pump applications (O terminal) ⚠️ Always verify before purchasing: Furnace model number Existing control board part number Connector layout Blower motor configuration Board revision Why Buy This Board? ✔️ Genuine OEM White-Rodgers control board ✔️ Designed for Trane & American Standard furnaces ✔️ Intell-Ignition™ integrated control system ✔️ Supports humidifier and electronic air cleaner accessories ✔️ Dedicated blower speed outputs for heating and cooling ✔️ Fully tested and ready for installation ✔️ Cost-effective replacement for expensive OEM boards Pickup: Toronto / GTA