Lennox 21655 Shaft R-410A The Rheem-Ruud 42-18287-12 Relay is

The Rheem-Ruud 42-18287-12 Relay is a heavy-duty DPDT (Double Pole Double Throw) power relay engineered for precision switching in residential and commercial HVAC systems

this component is a core requirement for directing high-voltage power to compressors and condenser fan motors

this replacement blower motor utilizes high-grade ball bearings to minimize friction and thermal buildup

this unit is designed for long-cycle reliability in demanding mechanical rooms

and SCE series

Lennox 21655 Shaft R-410A The Rheem-Ruud 42-18287-12 Relay isThe Lennox 21655 Shaft is a critical mechanical component engineered for high performance air handling and blower assemblies within commercial HVAC systems. This bi metal blower shaft is precision machined to withstand the significant torsional loads and high stress environments typical of large scale Lennox equipment. As a veteran grade OEM replacement shaft, it is specifically designed to facilitate the seamless transfer of rotational force from the