Honeywell L641B1012 High Limit Pipe Thermostat
The L641B is a control Thermostat designed to provide high or low limit or frost protection in heating and hot water systems. Features Ideal for pumped systems Tamperproof adjustment option High & low limit models Bi-metal strip sensor Surface mounted.

• Ideal for pumped systems
• Tamperproof adjustment option
• High & low limit models
• Bi-metal strip sensor
• Surface mounted