Carrier 48GS660004 Heat Exchanger Kit 321894-708 Durable Infrastructure: Designed to handle

Durable Infrastructure: Designed to handle the thermal demands of the burner compartment with a 120V primary input and 24V secondary output

eliminating the need for mounting bracket modifications or wiring harnesses often required with universal ECMs

meaning it is set to open the circuit at a fixed 150°F high-limit threshold and features a 30°F differential for automatic reset

4 GHz signal to prevent interference and unauthorized access to the PTAC wireless network

this board integrates seamlessly with a dedicated thermistor probe to ensure tight modulation and system stability

Carrier 48GS660004 Heat Exchanger Kit 321894-708 Durable Infrastructure: Designed to handleThe Carrier 48GS660004 Heat Exchanger Kit is an essential OEM solution for maintaining the structural integrity and thermal performance of Carrier 48GS series single packaged rooftop units. Designed as a direct primary heat exchanger replacement, this kit features a robust 6 tube configuration engineered to withstand the rigorous thermal cycling common in light commercial and residential gas heating applications. Utilizing factory authorized parts