it replaces older

It features an onboard 3-amp fuse and LED diagnostics to streamline troubleshooting during service calls

While the 100170436 is rated for both

Key Benefits Direct OEM Compatibility: Engineered as the specific direct replacement for 3H33749-10

While the SPST rollout switch logic is common

Carrier 48GS660003 Heat Exchanger 324846-701 it replaces olderThe Carrier 48GS660003 Heat Exchanger is a critical OEM replacement part engineered specifically for Carrier 48GS Series rooftop units and gas electric packaged systems. As a veteran technician knows, maintaining the integrity of the combustion chamber is vital for safety and thermal efficiency. This gas furnace heat exchanger is constructed from heavy duty materials designed to withstand repeated thermal expansion and contraction cycles without