21N39 | Healthy Climate 21N3901, April 4236, Scale Control Insert Frame (Pad Holder), For HCWP3-18/18A WB2-17/17A WP2-18/18A | Lennox

Lennox Scale Insert (21N39) Lennox Scale Insert (21N39) is a critical component designed to enhance the performance of HVAC systems. This insert is meticulously engineered to ensure accurate airflow measurement, allowing for optimal system operation and energy efficiency. Lennox's commitment to quality is evident in the rugged construction of this insert. Made from premium materials, it is built to withstand the rigors of industrial environments. Its compact design enables easy installation, saving time and effort during maintenance or repair. The Lennox Scale Insert is an indispensable part for maintaining optimal HVAC performance. Its precise measurement capabilities contribute to efficient airflow management, reducing energy consumption and ensuring a comfortable indoor environment. Our HVAC supply store offers the best prices and fast shipping for Lennox Scale Inserts and other HVAC components. Trust us for the reliable products and exceptional service you need to keep your systems running smoothly.