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Duotone bay — asphalt brief on the left, yellow-folded service sheet on the right.
using the Lennox 67K19 OEM relay is recommended to ensure the footprint and terminal designations match the factory wiring diagram
ensuring precise indoor air quality control
High-Grade Construction: Manufactured with aluminized steel or equivalent corrosion-resistant materials to withstand rigorous thermal cycling and prevent premature stress cracking
Whether retrofitting existing commercial air handlers or installing new central plant equipment
Durable 3-pole plus ground configuration supports various AC and DC voltage applications
Lennox 21V12 Gas Valve 322838-753 using the Lennox 67K19 OEMThe Lennox 21V12 Gas Valve is a critical regulatory component engineered for high performance gas flow control in residential and commercial heating systems. This 24V slow open gas valve, often cross referenced as Lennox 105155 05 or White Rodgers 36G24 229, features a 1 2 inch NPT inlet and outlet for standard piping compatibility. Designed with high temperature resistance and a robust actuator, it ensures stable and precise natural gas regulation