Honeywell S483B1002 Winter Watchman 120V 30-60F

Used as a freeze warning device. Completes circuit to household lamp on temperature fall, indicating inoperative heating equipment.

Honeywell S483B1002 Features:

• Plugs directly into wall outlet
• Lamp plugs into receptacle at bottom of Winter Watchman device
• >Useful when house is unoccupied to notify a neighbor of a temperature drop so heating source fault can be rectified before a freeze up occurs
• Not precision calibrated for use as a thermostat

See technical for more information