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Condition:
Factory New
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Learn more:
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MFR:
RPI
Ships from Manufacturer
- MPN: CAK111
- Phone: (800) 221-9723
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Frequently asked questions
Is this knob a reliable OEM-equivalent replacement?
Yes, the RPI CAK111 is engineered as a high-quality, direct replacement part specifically designed for the Clay Adams Sero-Fuge II centrifuge. It meets exact standards to ensure your equipment maintains its original functionality.
Does this knob include the necessary mounting hardware?
Absolutely. Your order comes complete with the necessary set screw, ensuring you have everything required for a secure and straightforward installation onto the timer shaft.
Is the design optimized for easy visibility?
Yes, the knob is crafted with a high-contrast design: a durable black plastic body topped with a white surface and pointer. This feature allows for clear, quick, and accurate timer adjustments during laboratory operations.
Will this fit my centrifuge's shaft perfectly?
The CAK111 is precision-engineered for a 3/16 inch round shaft. This specific sizing ensures a snug, secure fit, preventing slippage during the adjustment of your centrifuge settings.
Is the material durable for daily lab use?
Yes, this knob is constructed from high-grade, durable plastic. It is built to withstand the rigors of frequent use in laboratory environments, providing a reliable tactile experience when operating your Sero-Fuge II.
What are the dimensions of this timer knob?
The knob features a compact and precise design with the following dimensions:
- Diameter: 1-1/4 inches
- Height: 5/8 inches
Is this a brand new factory component?
Yes, this is a Factory New component. We provide only high-standard, unused parts, ensuring peak performance and reliability for your critical lab equipment.
How do I secure the knob to the timer shaft?
The knob is designed for a simple installation process using the included set screw. Once positioned on the 3/16 inch shaft, tighten the set screw to ensure the knob remains firmly attached and ready for use.
Does this part help maintain the centrifuge's aesthetic?
Yes, because it is an OEM-equivalent part, it is designed to match the original style and form factor of the Sero-Fuge II, ensuring that your equipment keeps its professional, uniform laboratory look.
Who can I contact if I need installation support?
If you have questions regarding the installation or compatibility of your replacement part, you can reach out to our dedicated support team at (800) 221-9723 for expert assistance.

RPI CAK111 Timer Knob