Carrier 50DK506551 Support 322056-301 while certified for Section I

while certified for Section I Steam

This replacement circuit board replaces legacy part numbers and is essential for maintaining consistent flame signaling and temperature regulation in residential and commercial hydronic applications

Confirm the pressure rating on the existing switch label matches 1

heat-resistant grip for manual isolation

Superior Sensing Accuracy: The 30" capillary tube allows for optimal bulb positioning on the suction line to ensure stable superheat

Carrier 50DK506551 Support 322056-301 while certified for Section IThe Carrier 50DK506551 Support is a critical OEM replacement part engineered for high performance structural reinforcement within industrial and commercial rooftop units. Designed primarily as a heat exchanger support bracket, this heavy duty steel component ensures precise alignment and stability of internal assemblies under high thermal stress and mechanical vibration. Field tested for compatibility with specific Carrier rooftop units, including