Lennox 99K63 - Rollout Switch, Manual Reset, Actuates at 250°F ±12°F, Closed Face Type, Red Dot
The Lennox 99K63 Rollout Switch is a high-quality safety control device designed to detect and respond to abnormal heat conditions within gas furnaces and other heating appliances. Specifically engineered to actuate at 250°F ±12°F, this switch helps prevent hazardous operation by shutting down the burner if flames or heat are detected outside the intended combustion area.
Key Features:
- Actuation Temperature: 250°F (±12°F), ideal for overheat protection
- Manual Reset Design: Requires technician intervention to restore operation, preventing automatic restarts and ensuring safety inspections are completed
- Closed Face Type: Offers added protection against dirt, debris, and damage
- Red Dot Indicator: Clearly marks the switch for fast identification during diagnostics or servicing
- Reliable SPST Configuration: Single-pole, single-throw switch supports consistent performance under stress
- OEM Approved: Designed specifically for use in Lennox systems to ensure compatibility and performance
Applications:
The 99K63 rollout switch is commonly used in residential and light commercial Lennox furnaces where flame rollout detection and high-limit safety control are essential. It ensures safe operation by acting as a failsafe in case of heat exchanger failure, venting issues, or flue gas recirculation.
Why Choose the Lennox 99K63?
- Maintains UL-recognized safety standards
- Compatible with a wide range of Lennox heating systems
- Protects HVAC systems from heat-related damage
- Prevents system damage due to improper combustion
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