Rotary Knob for Microwave Oven Pressure Cooker Timer with Bell A direct replacement knob designed for mechanical timer switches used in microwave ovens, pressure cookers, and rice cookers. Restores reliable control of cooking time and the audible bell function without replacing the entire timer assembly. Key benefits Restores function quickly: a cracked or worn knob to regain smooth timer control and audible bell signaling. Simple installation: Pushon or securefit design fits common timer shafts for fast, tool swaps in many appliances. Durable operation: Built to withstand repeated use so settings stay accurate and tactile feedback remains consistent. Cost effective : the existing appliance rather than replacing the whole unit, extending service life and saving time. Features and specifications Function: Rotary control knob for mechanical timer switches with bell. Enables precise manual setting of cooking time and triggers the mechanical bell at the end of the cycle. Compatibility: Intended for use with mechanical timer switches found in microwave ovens, pressure cookers, and mechanical rice cookers. Fits typical rotary timer shafts used in household appliances. Size and fit: Designed to match standard rotary timer shaft profiles for a secure fit. Compatible with common shaft types used on mechanical timer switches. Material and construction: Sturdy plastic exterior with reinforced mounting area for stable engagement. Built to resist wear from frequent use. Performance: Smooth rotation with defined detents for accurate time selection. Maintains reliable contact with the timer mechanism and supports consistent bell activation. Installation notes Easy to install: Align the knob with the timer shaft and press into place or tighten the set screw if the timer uses one. No special tools required for most installations. Verify fit: Before final reassembly, test rotation and bell activation to confirm proper engagement with the timer mechanism. Practical use scenarios a cracked knob on a rice cooker so time settings can be changed accurately and the endofcycle bell sounds as expected. Restore a worn rotary control on an older microwave oven to regain reliable mechanical timer operation without replacing the timer assembly. the timer control on a pressure cooker after repeated use has caused the original knob to become loose or damaged. What you get One rotary timer knob designed for mechanical timer switches with bell. Intended as a direct, userinstallable replacement part for compatible household cooking appliances. This replacement knob provides a straightforward, dependable option to restore mechanical timer control and audible bell function in compatible microwave ovens, pressure cookers, and rice cookers.