GREE 300002000312 Main Control Board 319852-301 This hardware ensures consistent steam

This hardware ensures consistent steam system performance by preventing pressure fluctuations that can damage downstream equipment

using a switch with the wrong set point can lead to incomplete combustion or dangerous carbon monoxide levels

Designed for long-term service

technicians should inspect for restricted airflow

GREE 300002000312 Main Control Board 319852-301 This hardware ensures consistent steamThe GREE 300002000312 Main Control Board is a critical OEM main power control module engineered specifically for technical compatibility with GREE ductless mini split systems and heat pump units. As a factory authorized GREE replacement part, this circuit board manages voltage regulation, compressor sequencing, and fan motor communication to ensure the HVAC system control logic remains within manufacturer parameters. When diagnosing communication