PCBDM133 PCBDM133S OEM Original Defrost Control Board Compatible with Goodman Amana - Genuine Factory Defrost Timer Circuit Board Heat Pump GSZ SSZ - Professional HVAC Control Board Replacement

Professional-Grade OEM Defrost Control Board for Heat Pump Systems The PCBDM133S PCBDM133 genuine OEM defrost control board delivers factory-level precision temperature management and reliable defrost cycle control for residential and commercial heat pump applications. Key Features - Microprocessor-based control system for accurate defrost timing - 24V control circuit with heavy-duty relay terminals for controlling 240V components - Built-in changeover delay eliminates compressor noise during defrost - Industrial-grade PCB substrate withstands temperature extremes Compatible Models* ✓ Compatible with Goodman GSZ14, GSZ16, SSZ14, SSZ16 heat pumps ✓ Compatible with Amana ASZ14, ASZ16 split system heat pumps ✓ Compatible with Goodman GPH14, GPH16 packaged heat pumps ✓ Compatible with Goodman DSZ14, DSZ16 two-stage heat pumps ✓ For use with R410A refrigerant systems *Trademarks belong to their owners; use is for compatibility only. Not Compatible: Carrier, Trane, Lennox, Rheem, York, Bryant heat pump systems Installation & Calibration Requires reconfiguration of yellow thermostat wire routing through high pressure switch connections for proper operation Included: Complete defrost control board assembly with terminal connections Common Symptoms Resolved - Heat pump fails to initiate defrost cycle - Outdoor coil accumulates ice during heating mode - Loud noise during defrost changeover sequence - Inconsistent temperature control or timing errors Cross-References: 1084-83-552C, PCBDM133, 20293901, PCBDM133V Always disconnect power before servicing. Professional HVAC technician installation recommended for proper system configuration and safety compliance.

• PCBDM133 PCBDM133S defrost control board direct replacement compatible with Goodman GSZ14 GSZ16 SSZ14 SSZ16 heat pumps and compatible with Amana ASZ14 ASZ16 models featuring microprocessor-based defrost timer control for optimal heating efficiency
• Professional OEM control board operates on safe 24V with heavy-duty relay terminals for controlling system components built-in changeover delay protects compressor from noise during defrost cycles engineered to factory specifications for reliable heat pump operation
• Defrost timer control board replacement for part numbers 1084-83-552C PCBDM133 20293901 designed for R410A refrigerant units with automatic defrost cycle initiation based on temperature and time parameters
• HVAC control board includes complete assembly with terminals for direct installation compatible with Goodman packaged units GPH14 GPH16 and split system heat pumps no additional circuit board components required
• Solves defrost control issues including failure to initiate defrost cycles outdoor coil icing compressor changeover noise ideal HVAC pump control board for contractors requiring reliable OEM defrost timer replacement parts