The York S1-028-12010-700 Sheave is an essential component for any technician focusing on precise airflow calibration in commercial or residential systems

the 998-0034-15 adapter provides a reliable

preventing the pitting and failure common in metal alternatives

It features 3/8 x 1/2 ODF solder connections and an external equalizer to compensate for pressure drops through the evaporator coil

it delivers comprehensive protection along the entire length of the heating element area

Lennox 99K57 Inducer Assembly Refrigerant The York S1-028-12010-700 Sheave isThe Lennox 99K57 Inducer Assembly is a critical OEM replacement component designed to maintain the mechanical integrity and venting safety of high efficiency gas furnaces. This complete inducer assembly features a 1 10 HP, 208 230V PSC motor engineered for a 3200 RPM operating speed with counter clockwise rotation (CCWLE). As a veteran tech knows, the 99K57 draft inducer is essential for clearing the heat exchanger of combustion gases and proving the