Friedrich Air Conditioning 69700449 Capacitor 322838-752 or an obstructed exhaust vent

or an obstructed exhaust vent

or physical corrosion on the 16-inch burner surface that impedes proper gas-air mixing

As a veteran-grade HVAC zone thermostat

and data centers

Friedrich Air Conditioning 69700449 Capacitor 322838-752 or an obstructed exhaust ventThe Friedrich Air Conditioning 69700449 Capacitor is a high performance 1mfd 450v capacitor specifically engineered for Friedrich Premier Series PTAC units and compatible ductless mini split systems. This CBB61 film capacitor is built to withstand rigorous HVAC environments, featuring a wide operating temperature range of 131 257F (55 125C) for maximum thermal stability. As a critical motor run capacitor, it provides essential power factor correction