HVAC Manual Damper Knob, Designed for 0.25 Inch Shaft Dampers

Universal Compatibility and Precise Fit: Specifically designed for standard 0.25-inch (1/4-inch) damper shafts, this knob ensures a secure and precise installation. Compatible with most HVAC butterfly dampers, including those mounted in ceiling diffusers/vents and round duct rings, it serves as an ideal replacement or upgrade component. Handle diameter: 1.5 Inches Shaft Length 1 Inch includes handle 1/4 Inch shaft Size Plastic Construction Easy grab handle. Value 2-Pack: The hvac damper control is constructed from durable materials, this knob is engineered for reliable daily use. The two-pack design delivers exceptional value, ensuring you have spares for multiple installations or immediate replacements if knobs are lost or damaged. Quick Installation: The damper handle features an intuitive push-and-turn installation—no screws, tools, or technical expertise required. The clean, universal white finish seamlessly blends with most vents, ducts, and ceilings, maintaining a neat and professional appearance for your residential or commercial space.

• 【Universal Compatibility and Precise Fit】Specifically designed for standard 0.25-inch (1/4-inch) damper shafts, this knob ensures a secure and precise installation. Compatible with most HVAC butterfly dampers, including those mounted in ceiling diffusers/vents and round duct rings, it serves as an ideal replacement or upgrade component.Compatible with HVAC damper knob, damper knob, heating knob, vent knob, AC vent knob, heat knob, furnace knob, vent handle, damper handle.
• 【Dual Functionality for Comprehensive Control】The damper handle effortlessly manages indoor air distribution. A single knob addresses two core needs: adjust ceiling vent dampers to balance room airflow, and regulate round duct butterfly dampers within duct systems for zone control.
• 【Manual Airflow Adjustment】Fine-tune airflow through straightforward, precise manual operation. The ergonomic white knob rotates effortlessly without tools, allowing direct control over damper position for fine-tuning comfort in any room or zone of your HVAC system.
• 【Value 2-Pack】The hvac damper control is constructed from durable materials, this knob is engineered for reliable daily use. The two-pack design delivers exceptional value, ensuring you have spares for multiple installations or immediate replacements if knobs are lost or damaged.
• 【Quick Installation】The damper handle features an intuitive push-and-turn installation—no screws, tools, or technical expertise required. The clean, universal white finish seamlessly blends with most vents, ducts, and ceilings, maintaining a neat and professional appearance for your residential or commercial space.