Goodman Amana Janitrol PCBJA104S Air Handler Control Board | Integrated Indoor Fan PCB

The PCBJA104S is a high-performance OEM Air Handler Control Board designed to serve as the sophisticated "brain" for Goodman, Amana, and Janitrol indoor air handling units. This PCB manages the critical logic for the indoor blower motor, regulating the precisely timed fan-on and fan-off delays required for maximum heat pump and electric heat efficiency. Specifically engineered for the ARUF and AWUF series, this factory-authorized Service Pack ensures your system maintains the correct airflow for both cooling and heating cycles. Choosing a genuine Goodman board preserves the internal safety protocols needed to prevent blower motor "short-cycling," which can lead to premature motor failure and uneven home temperatures. 

Key Features

• Exact OEM Service Pack Fit: Designed as the direct factory replacement for part number PCBJA104S, ensuring 100% terminal-to-terminal compatibility with your existing air handler wiring.
• Optimized Fan Relay Logic: Features upgraded internal relays designed to fix specific "humming" or "clicking" issues that cause the indoor blower motor to stay on or fail to start.
• Integrated Safety Monitoring: Provides continuous oversight of the thermostat inputs and limit circuits, ensuring the blower remains active during electric heat "cool-down" periods for fire safety.
• Resolved Startup Delays: Specifically calibrated to manage the ramp-up time of PSC and multi-speed motors, fixing common issues with sluggish airflow at the start of a cycle.
• OEM Fit & Function: Engineered specifically for Goodman’s air handler chassis, ensuring all mounting standoffs and wire terminals align perfectly for a professional, secure installation.

Product Details

• Brand: Goodman / Amana / Janitrol
• Manufacturer: Goodman Manufacturing
• Part Number: PCBJA104S
• Weight: 0.65 lbs
• Voltage: 24V (Control) / 240V (Line Support)
• Blower Support: Multi-Speed PSC Blower Motors
• Fuse Protection: Onboard Automotive Style Blade Fuse
• Terminals: Standard Spade/Male Disconnects 

🛠️ HVAC Depot Pro Tip

Before removing any wires from your old control board, take a high-resolution picture of the existing connections. Pay close attention to the common "C" wire and the blower speed taps (usually Red, Black, and Blue). When installing the new PCBJA104S, ensure the air handler power is disconnected at the breaker to avoid blowing the onboard 24V fuse. After installation, verify the thermostat "G" call triggers the fan immediately; if the fan fails to start but you hear a click, check your motor's capacitor before replacing the motor itself. 

Cross-Reference

This control board is a direct replacement or equivalent for the following legacy and technical part numbers: 

• Superseded Part: PCBJA104, 0130M00000S
• Legacy Numbers: B1370738S, B1370738
• Drawing Numbers: 1157-100, 1157-83-1121
• White-Rodgers/Emerson Equivalents: 50W47-843 (Universal Support)

Model Compatibility

This board is verified for use in the following Goodman and Amana air handler families: 

Goodman ARUF / AWUF / ARPT Series

• ARUF (Suffixes: 182416, 303016, 364216, 486016)
• AWUF (Suffixes: 18, 24, 30, 36)
• ARPT (Suffixes: 18, 24, 30, 36, 42, 48) 

Amana ASPF / ASUF Series

• ASPF (Suffixes: 182416, 303016, 364216)
• ASUF (Suffixes: 18, 24, 30)