Remove the gasketed access plugs to use the internal screwdriver slots

The counter-clockwise (CCW) rotation and optimized blade pitch are specifically engineered to maintain static pressure and maximize CFM delivery in demanding environments

The cast iron valve body handles a maximum working pressure of up to 125 psig

Part number 100135316 is the updated A

Carrier 48GS660007 Heat Exchanger 320720-756 Remove the gasketed access plugsThe Carrier 48GS660007 Heat Exchanger is an OEM replacement component engineered for precision compatibility with Carrier 48GS series rooftop units and specific gas electric packaged systems. Constructed from high grade aluminized steel, this primary heat exchanger is designed to resist corrosion and maintain structural integrity under high cycle thermal stress. As a critical combustion assembly component, the 48GS660007 ensures efficient heat