Honeywell L641A1039 Cylinder Thermostat

Description

• Snap Action SPDT Micro Switch
• Wiring Terminals Easily Accessible
• Tamperproof Temperature Setting
• Optional Manual Setting Knob Supplied
• Double Insulated
• The L641A Cylinder Thermostat is designed for surface mounting on domestic hot water cylinders. It can be used to switch directly a wet central heating circulating pump or boiler, or to operate spring return and motor open/motor close zone valves.