Replacement Timer Knob — Compatible with part numbers 146MT575A and 146MT494A Key benefits Direct replacement: Designed to part numbers 146MT575A and 146MT494A for a seamless swap with your existing timer — no modifications required. Secure, simple fit: 1 inch outer diameter and a 'D' shaped back hole measuring 316 provide an easy, reliable connection to the timer shaft for consistent performance. Clean, coordinated look: Light almond finish updates the appearance of your timer while matching common bathroom fixtures and decor. Restores function quickly: Replaces worn or broken knobs to regain precise control of bathroom heater, fan, or light timers without replacing the entire unit. Product highlights Function: Timer control knob for bathroom heater, fan, or light timers. Compatibility: Specifically made to fit part numbers 146MT575A and 146MT494A. Size: Outer diameter 1 inch; back hole is 'D' shaped measuring 316. Appearance: Light almond color for a neutral, unobtrusive look. Installation: Userfriendly design for fast, toollight installation and a secure hold. Practical use scenarios a cracked or stripped knob on a bathroom heater timer to restore safe and accurate timer operation. Keep as a spare part for maintenance in rental properties, condos, or multifamily buildings where quick, consistent repairs are needed. Update the look of an older bathroom fan or light control without changing wiring or the entire timer assembly. What you get A compatible replacement timer knob in light almond, sized and shaped for direct fit with 146MT575A and 146MT494A timers.