The Carrier LA660002 Fan Blade is a secondary cooling component engineered for high-durability performance in specific Carrier

ensuring reliable startup in demanding refrigeration and air conditioning environments

Field technicians must ensure manifold pressures are adjusted to manufacturer specifications when swapping these orifices to maintain proper combustion profiles

and plastic tubing

it is fully compatible with standard D-9999-104 ball joints and other JC linkage hardware

Nordyne 155315R Inducer Orifice The Carrier LA660002 Fan BladeThe Nordyne 155315R Inducer Orifice is a critical combustion component specifically engineered for 80,000 BTU gas furnaces. This OEM replacement part is essential for maintaining the correct exhaust gas velocity and ensuring the induced draft motor operates within the designed static pressure parameters. When troubleshooting pressure switch lockout or incomplete combustion issues, technicians must verify the integrity of the combustion blower orifice.