Description
The Williams Comfort Products P500406 is a high-temperature cutout (CO) limit switch with manual reset (M/R) functionality, engineered for use in heating equipment where reliable over-temperature protection is essential. Designed as a genuine OEM replacement component, this limit switch helps safeguard heating systems by interrupting the circuit when temperatures reach the 270°F cutout threshold, preventing equipment damage and potential safety hazards.
Key Features
- 270°F cutout temperature rating for precise high-limit protection
- Manual reset (M/R) design requires deliberate operator action before the system can restart, ensuring the root cause of overheating is addressed
- Genuine Williams Comfort Products OEM replacement part
- Direct-replacement design for compatible Williams heating equipment
- Durable construction built to withstand demanding HVAC and heating applications
Application
This limit switch is intended for use in Williams Comfort Products heating units as a safety control device. The manual reset feature is a critical safety measure — once the switch trips at 270°F, it will not automatically restore power to the burner or heating element. A technician must investigate and resolve the overheating condition before manually resetting the switch, reducing the risk of repeated unsafe cycling.
Specifications
- SKU: P500406
- Brand: Williams Comfort Products
- Cutout Temperature: 270°F
- Reset Type: Manual Reset (M/R)
- Function: Cutout (CO) Limit Switch
- Application: Williams Comfort Products heating equipment







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