Carrier 50HJ500451 Flame Retainer 323080-701 The Allanson 542A is a

The Allanson 542A is a high-performance constant duty gas ignition transformer engineered for field-tested reliability in commercial and industrial combustion systems

Whether you are servicing a large commercial HVAC system or a process cooling setup

This kit includes essential TXV replacement parts

This printed circuit board (PCB) serves as the central hub for safety limit strings and inducer motor signaling

The internal pilot-operated diaphragm provides rapid shutoff response times in less than one second

Carrier 50HJ500451 Flame Retainer 323080-701 The Allanson 542A is aThe Carrier 50HJ500451 Flame Retainer is a critical combustion component designed for high efficiency gas fired rooftop units and packaged systems. Engineered to withstand the thermal stresses of continuous burner assembly operation, this part ensures precise flame stabilization and prevents flame lift off or flashback during the ignition cycle. As a direct OEM replacement part, it maintains the specific venturi airflow dynamics required for complete