Heat Controller 17222000A58891 Electronic Control Box Subassembly for Ductless Mini-Split Systems

The Heat Controller 17222000A58891 is a genuine OEM Electronic Control Box Subassembly designed for use in Heat Controller single-zone ductless mini-split systems with inverter technology. This assembly serves as the central electronic command hub for the outdoor unit, coordinating all electrical operations necessary for reliable heating and cooling performance.

As the brain of the mini-split system, this control box subassembly processes signals from sensors and user inputs, directing power and commands to critical components such as the compressor, fan motors, and valves. It ensures precise sequencing, safety logic, and system protection under varying load conditions.

Key Features:

• Genuine OEM Heat Controller replacement part
• Designed for single-zone ductless mini-split systems with inverter technology
• Manages compressor operation, motor control, and system safety logic
• Coordinates electrical sequencing between indoor and outdoor unit components
• Engineered for precise temperature regulation and reliable system operation
• Direct-fit replacement — no modification required

This electronic control box subassembly is the correct OEM replacement for compatible Heat Controller and Comfort-Aire inverter mini-split outdoor units. Using a genuine factory part ensures proper communication between system components and protects the integrity of your HVAC equipment.