this header assembly upper unit is designed to meet the precise pressure and flow requirements of commercial rooftop units and industrial split systems

tripped high-limit switches

Are the ball checks required for all installations

As a primary HVAC replacement part

ABB AF16-30-10-11 Contactor 326058-756 this header assembly upper unitThe ABB AF16 30 10 11 Contactor is a high performance 3 pole industrial contactor designed to provide reliable motor control and power switching in unstable electrical networks. Engineered with advanced AF technology, this 18 Amp contactor features a wide control voltage range of 24 60Vac and 20 60Vdc, allowing a single unit to manage significant voltage fluctuations while reducing energy consumption in your control panel. It serves as a superior,