The Honeywell Home L641B1012 High Limit Pipe Thermostat is designed to monitor and control water temperature within central heating systems. Installed directly onto the heating pipe, it acts as a high-limit safety control, helping to protect the system from overheating.Part of the trusted Honeywell Home heating controls range, this thermostat uses a bi-metal strip sensor to accurately detect pipe  temperature and respond accordingly. The integrated temperature selector allows the required temperature limit to be set easily, ensuring safe and efficient operation of the heating system. For additional security, the thermostat also features a tamperproof adjustment option, preventing unauthorised changes to the temperature settings. Its simple design and straightforward installation make it a practical solution for both residential and light commercial heating systems.

Key Features :

• High-limit pipe thermostat for central heating systems

• Designed to be mounted directly onto the heating pipe

• Bi-metal strip sensor for reliable temperature sensing

• Adjustable temperature selector for setting the required limit

• Tamperproof adjustment option to prevent unauthorised changes

• Helps provide additional protection against overheating