the copper tube and aluminum fin construction maximizes the surface area for refrigerant transition

500) and Reznor Venturion models 225 and 325

This means the valve remains in the closed position when de-energized and opens only when the 24Vdc power is applied

restoring the factory-specified CFM required for proper heat exchange and system longevity in residential air handlers and furnaces

Technicians will find the DIN rail mountable internal design simplifies field upgrades

Bard HVAC 8612-043BX Board 321142-301 the copper tube and aluminumThe Bard HVAC 8612 043BX Main Controller Board is the core replacement component for the MC4001 series lead lag logic systems. Specially engineered for solid state dual unit controllers, this Bard part 8612 043BX manages the sequencing and operational cycling between two HVAC wall mount units. It is fully compatible with Bard MC4001 A, MC4001 AC, MC4001 B, and MC4001 BC models, ensuring seamless integration with existing low voltage control circuits.