HH18HA499 Furnace Limit Switch L165-40 Fits for Payne,Carrier, Bryant

Key features

• Product:This is a ​brand new,unuse furnace limit switch​, part number ​HH18HA499 . ​Type:​​ One-piece, automatic-reset high-limit switch.
• Universal Compatibility:The HH18HA499 Furnace Limit Switch L165-40 Compatible with Payne, Carrier, and Bryant residential furnaces (always confirm your furnace model number before purchase).
• Automatic Reset – Temperature Control:Designed with ​automatic-reset functionality, this limit switch ​automatically shuts down the furnace when the internal temperature exceeds 165°C (329°F)​​ to prevent overheating. The system will ​only restart automatically once the temperature drops safely below 40°C (104°F)​, ensuring optimal protection without manual reset.
• ​Critical Safety Device – Protects Against Overheating :Acting as a key ​safety control component, this limit switch helps ​prevent furnace overheating, system malfunctions, and potential fire risks​ by cutting off electrical power when dangerous temperatures are detected, keeping your home and heating system safe.
• ​Installation:​​ Designed for easy DIY or professional installation. Simply remove the old switch and install the new one in the same location with secure wire connections. Always turn off power before servicing.

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