Intermatic 146--00046 White Knob
The Intermatic 146-00046 White Knob is a precision-engineered OEM Intermatic replacement knob designed specifically for the FD Series wall switch timers. As a veteran technician knows, maintaining the integrity of mechanical countdown timers requires high-quality interfaces that can withstand repeated manual cycling. This replacement timer knob features a 3/16-inch D-shape shaft compatibility with an internal interference fit—achieved through four internal raised ribs—to prevent slipping or stripping during operation. It serves as a direct replacement for legacy part numbers 146MT574 and 145MT494A, ensuring seamless integration with decorator-style spring-wound timers used in both residential and commercial HVACR control applications. The durable plastic construction and classic white finish restore the original appearance and mechanical functionality of in-wall timers controlling fans, lighting, or motor loads.
Key Benefits:
- Precision OEM Fit: Specifically molded for Intermatic FD Series 3/16" D-shafts, ensuring zero slop during high-torque manual winding.
- Enhanced Durability: Robust plastic construction resists cracking and wear from frequent use in heavy-duty environments.
- Universal FD Compatibility: Compatible with various spring-wound auto-off timers, including 30-minute, 60-minute, and 12-hour FD models.
- Tool-Free Installation: Simple press-on design allows for immediate field replacement without the need for additional hardware.
Common Questions:
Does this knob fit the older 146MT574 models?
Yes, the Intermatic 146-00046 is the official replacement for part numbers 146MT574 and 145MT494A, maintaining the exact technical specifications required for those units.
Will this work with a round-shaft timer?
No, this component is engineered strictly for 3/16-inch D-shape shafts. Attempting to force it onto a round or improperly sized shaft may damage the internal ribs.
Is the faceplate included with this part?
This SKU includes one replacement knob only. Wall plates and timing dials must be sourced separately if the existing ones are damaged.
Disclaimer: While we strive for 100% accuracy, product data and specifications are subject to change. Please contact our team to confirm compatibility or technical details before purchasing.
Intermatic 146--00046 White Knob
The Intermatic 146-00046 White Knob is a precision-engineered OEM Intermatic replacement knob designed specifically for the FD Series wall switch timers. As a veteran technician knows, maintaining the integrity of mechanical countdown timers requires high-quality interfaces that can withstand repeated manual cycling. This replacement timer knob features a 3/16-inch D-shape shaft compatibility with an internal interference fit—achieved through four internal raised ribs—to prevent slipping or stripping during operation. It serves as a direct replacement for legacy part numbers 146MT574 and 145MT494A, ensuring seamless integration with decorator-style spring-wound timers used in both residential and commercial HVACR control applications. The durable plastic construction and classic white finish restore the original appearance and mechanical functionality of in-wall timers controlling fans, lighting, or motor loads.
Key Benefits:
- Precision OEM Fit: Specifically molded for Intermatic FD Series 3/16" D-shafts, ensuring zero slop during high-torque manual winding.
- Enhanced Durability: Robust plastic construction resists cracking and wear from frequent use in heavy-duty environments.
- Universal FD Compatibility: Compatible with various spring-wound auto-off timers, including 30-minute, 60-minute, and 12-hour FD models.
- Tool-Free Installation: Simple press-on design allows for immediate field replacement without the need for additional hardware.
Common Questions:
Does this knob fit the older 146MT574 models?
Yes, the Intermatic 146-00046 is the official replacement for part numbers 146MT574 and 145MT494A, maintaining the exact technical specifications required for those units.
Will this work with a round-shaft timer?
No, this component is engineered strictly for 3/16-inch D-shape shafts. Attempting to force it onto a round or improperly sized shaft may damage the internal ribs.
Is the faceplate included with this part?
This SKU includes one replacement knob only. Wall plates and timing dials must be sourced separately if the existing ones are damaged.
Disclaimer: While we strive for 100% accuracy, product data and specifications are subject to change. Please contact our team to confirm compatibility or technical details before purchasing.
Product Information
Product Information
Shipping & Returns
Shipping & Returns
Description
The Intermatic 146-00046 White Knob is a precision-engineered OEM Intermatic replacement knob designed specifically for the FD Series wall switch timers. As a veteran technician knows, maintaining the integrity of mechanical countdown timers requires high-quality interfaces that can withstand repeated manual cycling. This replacement timer knob features a 3/16-inch D-shape shaft compatibility with an internal interference fit—achieved through four internal raised ribs—to prevent slipping or stripping during operation. It serves as a direct replacement for legacy part numbers 146MT574 and 145MT494A, ensuring seamless integration with decorator-style spring-wound timers used in both residential and commercial HVACR control applications. The durable plastic construction and classic white finish restore the original appearance and mechanical functionality of in-wall timers controlling fans, lighting, or motor loads.
Key Benefits:
- Precision OEM Fit: Specifically molded for Intermatic FD Series 3/16" D-shafts, ensuring zero slop during high-torque manual winding.
- Enhanced Durability: Robust plastic construction resists cracking and wear from frequent use in heavy-duty environments.
- Universal FD Compatibility: Compatible with various spring-wound auto-off timers, including 30-minute, 60-minute, and 12-hour FD models.
- Tool-Free Installation: Simple press-on design allows for immediate field replacement without the need for additional hardware.
Common Questions:
Does this knob fit the older 146MT574 models?
Yes, the Intermatic 146-00046 is the official replacement for part numbers 146MT574 and 145MT494A, maintaining the exact technical specifications required for those units.
Will this work with a round-shaft timer?
No, this component is engineered strictly for 3/16-inch D-shape shafts. Attempting to force it onto a round or improperly sized shaft may damage the internal ribs.
Is the faceplate included with this part?
This SKU includes one replacement knob only. Wall plates and timing dials must be sourced separately if the existing ones are damaged.
Disclaimer: While we strive for 100% accuracy, product data and specifications are subject to change. Please contact our team to confirm compatibility or technical details before purchasing.
