Gree 30032021 Control Board 319847-401 making it a reliable refrigeration

making it a reliable refrigeration temperature switch for walk-in coolers and industrial chillers

This selector switch is rated for a maximum mainline pressure of 30 psig

The instrument is factory-calibrated to provide an 8 psig output signal when the ambient temperature matches the setpoint dial at a 20 psig supply

Precision Flame Sensing: Exceptional conductivity for flame ion current detection

Each unit comes with a precision-molded replacement O-ring to establish an airtight filter seal

Gree 30032021 Control Board 319847-401 making it a reliable refrigerationThe Gree 30032021 Main Control Board is a critical OEM replacement part designed for high performance HVAC system regulation. As a Gree mini split PCB, this integrated circuit coordinates the G10 inverter technology, managing variable compressor speeds and fan multi speed settings to maintain precise indoor air quality and thermal stability. This board is engineered to meet 208 230V specifications for ductless heat pump units, specifically supporting