51K30 | Lennox LB-69329, Gib-Head Key, Non-Tapered .374 x 1.00", 1.500" OAL , C1018 Keystock | Lennox

Lennox 51K30: The Key to Industrial Heating and Cooling The Lennox 51K30 is an integral component in commercial and industrial HVAC systems. As part of the Lennox N/C series, this replacement key offers durability and reliability in demanding environments. Engineered to withstand the rigorous demands of commercial heating and cooling applications, the 51K30 ensures optimal system performance when replacing worn or damaged keys. This key is crafted to exacting specifications, ensuring precise fit and operation with Lennox N/C series products. Replacing the key is simple, minimizing downtime and maintaining seamless system operation. Its compact size allows for easy storage and handling, providing convenience during maintenance and repairs. Designed to enhance the lifespan of your HVAC system, the Lennox 51K30 is a reliable and cost-effective solution. Trust in the quality and performance of Lennox products, backed by the expertise of our HVAC supply store, for all your heating and cooling needs. Shop our HVAC supply store today for the best selection and pricing on Lennox replacement parts, ensuring your HVAC system operates at peak efficiency.