Check the listing for details. Lennox 16D74 Time Delay Relay Kit. Condition: New. Listed at 52.41 USD. Product Description The Lennox 16D74 Time Delay Relay Kit is an essential component designed for optimizing HVAC system operations by controlling the timing of electrical sequences. This kit is frequently utilized in a variety of Lennox HVAC models, ensuring compatibility and enhancing performance.Enhances HVAC system efficiency by precise timing control.Compatible with multiple Lennox models, making it versatile for use.Direct replacement for model 19W66, simplifying upgrades.Product Highlights This Time Delay Relay Kit is specifically designed to provide reliable performance and durability. Its installation promotes system longevity and efficiency.Product InformationTechnical SpecificationsBrand: LennoxMPN: 16D74Weight: 0.12 poundsDimensions: 2 x 2 x 2 inchesCompatible Models: BCS3M18C00NA1P-1, BCS3M24C00NA1P-1, BCS3M30C00NA1P-1, BCS3M36C00NA1P-1, BCS3M42C00NA1P-1, BCS3M48C00NA1P-1, BCS3M60C00NA1P-1, CB26UH-060-R-230-2