Lennox 51K30 Key 320735-701 Rugged Construction: Built with aluminum

Rugged Construction: Built with aluminum blades and a steel spider to resist rust in outdoor condenser environments

Reliable Power Delivery: Provides consistent voltage to ECM motors and inducer assemblies

determined by looking at the hub end

Is this contactor rated for resistive loads or inductive loads

Common Questions & Technical Insights Is the Hydrolevel 45-353 compatible with power-vented boilers

Lennox 51K30 Key 320735-701 Rugged Construction: Built with aluminumThe Lennox 51K30 is a high grade Gib head key designed for precision mechanical bonding within commercial HVAC systems. Engineered from C1018 keystock, this non tapered component is essential for securing blower wheels and drive assemblies, ensuring torque is transmitted efficiently without slipping. With an Overall Length (OAL) of 1. 500 inches and cross sectional dimensions of . 374 x 1. 00 inches, this direct OEM replacement offers the exact